Home / 20,231,338.74-30,339,020.08-8,098,540.71

Finding the Fourth Proportional to 20,231,338.74, 30,339,020.08 and 8,098,540.71

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Solution

The fourth proportional to 20,231,338.74, 30,339,020.08 and 8,098,540.71 is: 12,144,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,338.74 : 30,339,020.08 = 8,098,540.71 : x
  2. Step 2: Convert to fraction form
    20,231,338.74/30,339,020.08 = 8,098,540.71/x
  3. Step 3: Cross multiply
    20,231,338.74x = 30,339,020.08 × 8,098,540.71
  4. Step 4: Simplify right side
    20,231,338.74x = 245,701,789,219,387.44
  5. Step 5: Solve for x
    x = 245,701,789,219,387.44/20,231,338.74
  6. Step 6: Final answer
    x = 12,144,613.48

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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.