Home / 20,218,310.70-30,335,760.45-7,444,934.70

Finding the Fourth Proportional to 20,218,310.70, 30,335,760.45 and 7,444,934.70

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Solution

The fourth proportional to 20,218,310.70, 30,335,760.45 and 7,444,934.70 is: 11,170,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,310.70 : 30,335,760.45 = 7,444,934.70 : x
  2. Step 2: Convert to fraction form
    20,218,310.70/30,335,760.45 = 7,444,934.70/x
  3. Step 3: Cross multiply
    20,218,310.70x = 30,335,760.45 × 7,444,934.70
  4. Step 4: Simplify right side
    20,218,310.70x = 225,847,755,625,092.62
  5. Step 5: Solve for x
    x = 225,847,755,625,092.62/20,218,310.70
  6. Step 6: Final answer
    x = 11,170,456.27

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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.