Home / 39,149,391.92-54,032,047.16-28,172,479.28

Finding the Fourth Proportional to 39,149,391.92, 54,032,047.16 and 28,172,479.28

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Solution

The fourth proportional to 39,149,391.92, 54,032,047.16 and 28,172,479.28 is: 38,882,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149,391.92 : 54,032,047.16 = 28,172,479.28 : x
  2. Step 2: Convert to fraction form
    39,149,391.92/54,032,047.16 = 28,172,479.28/x
  3. Step 3: Cross multiply
    39,149,391.92x = 54,032,047.16 × 28,172,479.28
  4. Step 4: Simplify right side
    39,149,391.92x = 1,522,216,729,071,082.75
  5. Step 5: Solve for x
    x = 1,522,216,729,071,082.75/39,149,391.92
  6. Step 6: Final answer
    x = 38,882,257.28

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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.