Home / 7,565,906.20-11,348,859.30-6,981,321.10

Finding the Fourth Proportional to 7,565,906.20, 11,348,859.30 and 6,981,321.10

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Solution

The fourth proportional to 7,565,906.20, 11,348,859.30 and 6,981,321.10 is: 10,471,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565,906.20 : 11,348,859.30 = 6,981,321.10 : x
  2. Step 2: Convert to fraction form
    7,565,906.20/11,348,859.30 = 6,981,321.10/x
  3. Step 3: Cross multiply
    7,565,906.20x = 11,348,859.30 × 6,981,321.10
  4. Step 4: Simplify right side
    7,565,906.20x = 79,230,030,892,021.23
  5. Step 5: Solve for x
    x = 79,230,030,892,021.23/7,565,906.20
  6. Step 6: Final answer
    x = 10,471,981.65

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Double scale
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Similar ratio
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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.