Home / 15,103,142,215.92-20,835,724,272.12-14,402,915,550

Finding the Fourth Proportional to 15,103,142,215.92, 20,835,724,272.12 and 14,402,915,550

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Solution

The fourth proportional to 15,103,142,215.92, 20,835,724,272.12 and 14,402,915,550 is: 19,869,718,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103,142,215.92 : 20,835,724,272.12 = 14,402,915,550 : x
  2. Step 2: Convert to fraction form
    15,103,142,215.92/20,835,724,272.12 = 14,402,915,550/x
  3. Step 3: Cross multiply
    15,103,142,215.92x = 20,835,724,272.12 × 14,402,915,550
  4. Step 4: Simplify right side
    15,103,142,215.92x = 300,095,177,114,429,554,688
  5. Step 5: Solve for x
    x = 300,095,177,114,429,554,688/15,103,142,215.92
  6. Step 6: Final answer
    x = 19,869,718,024.51

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Double scale
Find fourth proportional to 15,103,142,216.92, 20,835,724,273.50 and 14,402,915,551
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.