Home / 8,519,842.43-12,770,297.27-6,491,398.71

Finding the Fourth Proportional to 8,519,842.43, 12,770,297.27 and 6,491,398.71

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Solution

The fourth proportional to 8,519,842.43, 12,770,297.27 and 6,491,398.71 is: 9,729,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,842.43 : 12,770,297.27 = 6,491,398.71 : x
  2. Step 2: Convert to fraction form
    8,519,842.43/12,770,297.27 = 6,491,398.71/x
  3. Step 3: Cross multiply
    8,519,842.43x = 12,770,297.27 × 6,491,398.71
  4. Step 4: Simplify right side
    8,519,842.43x = 82,897,091,224,794.52
  5. Step 5: Solve for x
    x = 82,897,091,224,794.52/8,519,842.43
  6. Step 6: Final answer
    x = 9,729,885.49

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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.