Home / 7,565,909.20-11,348,863.80-6,981,324.10

Finding the Fourth Proportional to 7,565,909.20, 11,348,863.80 and 6,981,324.10

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Solution

The fourth proportional to 7,565,909.20, 11,348,863.80 and 6,981,324.10 is: 10,471,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565,909.20 : 11,348,863.80 = 6,981,324.10 : x
  2. Step 2: Convert to fraction form
    7,565,909.20/11,348,863.80 = 6,981,324.10/x
  3. Step 3: Cross multiply
    7,565,909.20x = 11,348,863.80 × 6,981,324.10
  4. Step 4: Simplify right side
    7,565,909.20x = 79,230,096,354,557.58
  5. Step 5: Solve for x
    x = 79,230,096,354,557.58/7,565,909.20
  6. Step 6: Final answer
    x = 10,471,986.15

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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.