Home / 10,531,545.20-15,797,317.80-9,901,689.20

Finding the Fourth Proportional to 10,531,545.20, 15,797,317.80 and 9,901,689.20

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Solution

The fourth proportional to 10,531,545.20, 15,797,317.80 and 9,901,689.20 is: 14,852,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,545.20 : 15,797,317.80 = 9,901,689.20 : x
  2. Step 2: Convert to fraction form
    10,531,545.20/15,797,317.80 = 9,901,689.20/x
  3. Step 3: Cross multiply
    10,531,545.20x = 15,797,317.80 × 9,901,689.20
  4. Step 4: Simplify right side
    10,531,545.20x = 156,420,131,049,227.75
  5. Step 5: Solve for x
    x = 156,420,131,049,227.75/10,531,545.20
  6. Step 6: Final answer
    x = 14,852,533.80

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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.