Home / 15,573,313.08-21,489,048.78-8,696,918.52

Finding the Fourth Proportional to 15,573,313.08, 21,489,048.78 and 8,696,918.52

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Solution

The fourth proportional to 15,573,313.08, 21,489,048.78 and 8,696,918.52 is: 12,000,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573,313.08 : 21,489,048.78 = 8,696,918.52 : x
  2. Step 2: Convert to fraction form
    15,573,313.08/21,489,048.78 = 8,696,918.52/x
  3. Step 3: Cross multiply
    15,573,313.08x = 21,489,048.78 × 8,696,918.52
  4. Step 4: Simplify right side
    15,573,313.08x = 186,888,506,311,965.41
  5. Step 5: Solve for x
    x = 186,888,506,311,965.41/15,573,313.08
  6. Step 6: Final answer
    x = 12,000,561.82

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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.