Home / 9,921,233.31-13,690,839.22-5,511,244.78

Finding the Fourth Proportional to 9,921,233.31, 13,690,839.22 and 5,511,244.78

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Solution

The fourth proportional to 9,921,233.31, 13,690,839.22 and 5,511,244.78 is: 7,605,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921,233.31 : 13,690,839.22 = 5,511,244.78 : x
  2. Step 2: Convert to fraction form
    9,921,233.31/13,690,839.22 = 5,511,244.78/x
  3. Step 3: Cross multiply
    9,921,233.31x = 13,690,839.22 × 5,511,244.78
  4. Step 4: Simplify right side
    9,921,233.31x = 75,453,566,188,379.70
  5. Step 5: Solve for x
    x = 75,453,566,188,379.70/9,921,233.31
  6. Step 6: Final answer
    x = 7,605,260.74

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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.