Home / 8,519,843.43-12,770,298.77-6,491,399.71

Finding the Fourth Proportional to 8,519,843.43, 12,770,298.77 and 6,491,399.71

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Solution

The fourth proportional to 8,519,843.43, 12,770,298.77 and 6,491,399.71 is: 9,729,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,843.43 : 12,770,298.77 = 6,491,399.71 : x
  2. Step 2: Convert to fraction form
    8,519,843.43/12,770,298.77 = 6,491,399.71/x
  3. Step 3: Cross multiply
    8,519,843.43x = 12,770,298.77 × 6,491,399.71
  4. Step 4: Simplify right side
    8,519,843.43x = 82,897,113,732,191.36
  5. Step 5: Solve for x
    x = 82,897,113,732,191.36/8,519,843.43
  6. Step 6: Final answer
    x = 9,729,886.99

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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.