Home / 52,870,306.25-79,287,499.17-18,318,644.12

Finding the Fourth Proportional to 52,870,306.25, 79,287,499.17 and 18,318,644.12

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Solution

The fourth proportional to 52,870,306.25, 79,287,499.17 and 18,318,644.12 is: 27,471,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,870,306.25 : 79,287,499.17 = 18,318,644.12 : x
  2. Step 2: Convert to fraction form
    52,870,306.25/79,287,499.17 = 18,318,644.12/x
  3. Step 3: Cross multiply
    52,870,306.25x = 79,287,499.17 × 18,318,644.12
  4. Step 4: Simplify right side
    52,870,306.25x = 1,452,439,480,063,587.75
  5. Step 5: Solve for x
    x = 1,452,439,480,063,587.75/52,870,306.25
  6. Step 6: Final answer
    x = 27,471,743.28

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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.