Home / 28,797,675.92-39,741,169.71-15,744,949.97

Finding the Fourth Proportional to 28,797,675.92, 39,741,169.71 and 15,744,949.97

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Solution

The fourth proportional to 28,797,675.92, 39,741,169.71 and 15,744,949.97 is: 21,728,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797,675.92 : 39,741,169.71 = 15,744,949.97 : x
  2. Step 2: Convert to fraction form
    28,797,675.92/39,741,169.71 = 15,744,949.97/x
  3. Step 3: Cross multiply
    28,797,675.92x = 39,741,169.71 × 15,744,949.97
  4. Step 4: Simplify right side
    28,797,675.92x = 625,722,728,833,229.50
  5. Step 5: Solve for x
    x = 625,722,728,833,229.50/28,797,675.92
  6. Step 6: Final answer
    x = 21,728,237.05

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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.