Home / 15,986,841.28-22,062,067.85-9,789,626.86

Finding the Fourth Proportional to 15,986,841.28, 22,062,067.85 and 9,789,626.86

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Solution

The fourth proportional to 15,986,841.28, 22,062,067.85 and 9,789,626.86 is: 13,509,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,841.28 : 22,062,067.85 = 9,789,626.86 : x
  2. Step 2: Convert to fraction form
    15,986,841.28/22,062,067.85 = 9,789,626.86/x
  3. Step 3: Cross multiply
    15,986,841.28x = 22,062,067.85 × 9,789,626.86
  4. Step 4: Simplify right side
    15,986,841.28x = 215,979,412,011,502.44
  5. Step 5: Solve for x
    x = 215,979,412,011,502.44/15,986,841.28
  6. Step 6: Final answer
    x = 13,509,824.00

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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.