Home / 10,555,477.47-14,559,048-9,687,116.97

Finding the Fourth Proportional to 10,555,477.47, 14,559,048 and 9,687,116.97

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Solution

The fourth proportional to 10,555,477.47, 14,559,048 and 9,687,116.97 is: 13,361,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555,477.47 : 14,559,048 = 9,687,116.97 : x
  2. Step 2: Convert to fraction form
    10,555,477.47/14,559,048 = 9,687,116.97/x
  3. Step 3: Cross multiply
    10,555,477.47x = 14,559,048 × 9,687,116.97
  4. Step 4: Simplify right side
    10,555,477.47x = 141,035,200,947,844.56
  5. Step 5: Solve for x
    x = 141,035,200,947,844.56/10,555,477.47
  6. Step 6: Final answer
    x = 13,361,328.40

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Double scale
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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.