Home / 7,679,245.11-11,514,411.24-3,635,698.78

Finding the Fourth Proportional to 7,679,245.11, 11,514,411.24 and 3,635,698.78

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Solution

The fourth proportional to 7,679,245.11, 11,514,411.24 and 3,635,698.78 is: 5,451,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,245.11 : 11,514,411.24 = 3,635,698.78 : x
  2. Step 2: Convert to fraction form
    7,679,245.11/11,514,411.24 = 3,635,698.78/x
  3. Step 3: Cross multiply
    7,679,245.11x = 11,514,411.24 × 3,635,698.78
  4. Step 4: Simplify right side
    7,679,245.11x = 41,862,930,897,686.29
  5. Step 5: Solve for x
    x = 41,862,930,897,686.29/7,679,245.11
  6. Step 6: Final answer
    x = 5,451,438.30

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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.