Home / 15,189,843.71-20,957,839.08-8,661,092.24

Finding the Fourth Proportional to 15,189,843.71, 20,957,839.08 and 8,661,092.24

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Solution

The fourth proportional to 15,189,843.71, 20,957,839.08 and 8,661,092.24 is: 11,949,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,843.71 : 20,957,839.08 = 8,661,092.24 : x
  2. Step 2: Convert to fraction form
    15,189,843.71/20,957,839.08 = 8,661,092.24/x
  3. Step 3: Cross multiply
    15,189,843.71x = 20,957,839.08 × 8,661,092.24
  4. Step 4: Simplify right side
    15,189,843.71x = 181,517,777,422,956.72
  5. Step 5: Solve for x
    x = 181,517,777,422,956.72/15,189,843.71
  6. Step 6: Final answer
    x = 11,949,943.72

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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.