Home / 13,715,727.71-20,578,165.02-9,122,820.72

Finding the Fourth Proportional to 13,715,727.71, 20,578,165.02 and 9,122,820.72

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Solution

The fourth proportional to 13,715,727.71, 20,578,165.02 and 9,122,820.72 is: 13,687,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715,727.71 : 20,578,165.02 = 9,122,820.72 : x
  2. Step 2: Convert to fraction form
    13,715,727.71/20,578,165.02 = 9,122,820.72/x
  3. Step 3: Cross multiply
    13,715,727.71x = 20,578,165.02 × 9,122,820.72
  4. Step 4: Simplify right side
    13,715,727.71x = 187,730,910,146,867.09
  5. Step 5: Solve for x
    x = 187,730,910,146,867.09/13,715,727.71
  6. Step 6: Final answer
    x = 13,687,273.04

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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.