Home / 7,679,246.10-11,514,412.74-3,635,699.78

Finding the Fourth Proportional to 7,679,246.10, 11,514,412.74 and 3,635,699.78

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Solution

The fourth proportional to 7,679,246.10, 11,514,412.74 and 3,635,699.78 is: 5,451,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,246.10 : 11,514,412.74 = 3,635,699.78 : x
  2. Step 2: Convert to fraction form
    7,679,246.10/11,514,412.74 = 3,635,699.78/x
  3. Step 3: Cross multiply
    7,679,246.10x = 11,514,412.74 × 3,635,699.78
  4. Step 4: Simplify right side
    7,679,246.10x = 41,862,947,865,647.20
  5. Step 5: Solve for x
    x = 41,862,947,865,647.20/7,679,246.10
  6. Step 6: Final answer
    x = 5,451,439.81

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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.