Home / 54,871,789.38-82,307,720.97-13,934,298.66

Finding the Fourth Proportional to 54,871,789.38, 82,307,720.97 and 13,934,298.66

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Solution

The fourth proportional to 54,871,789.38, 82,307,720.97 and 13,934,298.66 is: 20,901,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871,789.38 : 82,307,720.97 = 13,934,298.66 : x
  2. Step 2: Convert to fraction form
    54,871,789.38/82,307,720.97 = 13,934,298.66/x
  3. Step 3: Cross multiply
    54,871,789.38x = 82,307,720.97 × 13,934,298.66
  4. Step 4: Simplify right side
    54,871,789.38x = 1,146,900,366,019,925
  5. Step 5: Solve for x
    x = 1,146,900,366,019,925/54,871,789.38
  6. Step 6: Final answer
    x = 20,901,457.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.