Home / 18,721,462.92-25,833,781.62-10,571,126.28

Finding the Fourth Proportional to 18,721,462.92, 25,833,781.62 and 10,571,126.28

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Solution

The fourth proportional to 18,721,462.92, 25,833,781.62 and 10,571,126.28 is: 14,587,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721,462.92 : 25,833,781.62 = 10,571,126.28 : x
  2. Step 2: Convert to fraction form
    18,721,462.92/25,833,781.62 = 10,571,126.28/x
  3. Step 3: Cross multiply
    18,721,462.92x = 25,833,781.62 × 10,571,126.28
  4. Step 4: Simplify right side
    18,721,462.92x = 273,092,167,794,962.97
  5. Step 5: Solve for x
    x = 273,092,167,794,962.97/18,721,462.92
  6. Step 6: Final answer
    x = 14,587,116.88

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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.