Home / 15,040,356.96-20,755,945.08-8,164,839

Finding the Fourth Proportional to 15,040,356.96, 20,755,945.08 and 8,164,839

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Solution

The fourth proportional to 15,040,356.96, 20,755,945.08 and 8,164,839 is: 11,267,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040,356.96 : 20,755,945.08 = 8,164,839 : x
  2. Step 2: Convert to fraction form
    15,040,356.96/20,755,945.08 = 8,164,839/x
  3. Step 3: Cross multiply
    15,040,356.96x = 20,755,945.08 × 8,164,839
  4. Step 4: Simplify right side
    15,040,356.96x = 169,468,949,871,042.09
  5. Step 5: Solve for x
    x = 169,468,949,871,042.09/15,040,356.96
  6. Step 6: Final answer
    x = 11,267,614.88

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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.