Home / 10,389,920.10-15,553,387.35-7,849,500.90

Finding the Fourth Proportional to 10,389,920.10, 15,553,387.35 and 7,849,500.90

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Solution

The fourth proportional to 10,389,920.10, 15,553,387.35 and 7,849,500.90 is: 11,750,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,920.10 : 15,553,387.35 = 7,849,500.90 : x
  2. Step 2: Convert to fraction form
    10,389,920.10/15,553,387.35 = 7,849,500.90/x
  3. Step 3: Cross multiply
    10,389,920.10x = 15,553,387.35 × 7,849,500.90
  4. Step 4: Simplify right side
    10,389,920.10x = 122,086,328,001,873.62
  5. Step 5: Solve for x
    x = 122,086,328,001,873.62/10,389,920.10
  6. Step 6: Final answer
    x = 11,750,458.79

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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.