Home / 8,519,788.55-12,770,216.76-6,491,345.14

Finding the Fourth Proportional to 8,519,788.55, 12,770,216.76 and 6,491,345.14

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Solution

The fourth proportional to 8,519,788.55, 12,770,216.76 and 6,491,345.14 is: 9,729,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,788.55 : 12,770,216.76 = 6,491,345.14 : x
  2. Step 2: Convert to fraction form
    8,519,788.55/12,770,216.76 = 6,491,345.14/x
  3. Step 3: Cross multiply
    8,519,788.55x = 12,770,216.76 × 6,491,345.14
  4. Step 4: Simplify right side
    8,519,788.55x = 82,895,884,542,077.86
  5. Step 5: Solve for x
    x = 82,895,884,542,077.86/8,519,788.55
  6. Step 6: Final answer
    x = 9,729,805.39

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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.