Home / 11,028,608.10-16,542,912.15-7,981,679.70

Finding the Fourth Proportional to 11,028,608.10, 16,542,912.15 and 7,981,679.70

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Solution

The fourth proportional to 11,028,608.10, 16,542,912.15 and 7,981,679.70 is: 11,972,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,608.10 : 16,542,912.15 = 7,981,679.70 : x
  2. Step 2: Convert to fraction form
    11,028,608.10/16,542,912.15 = 7,981,679.70/x
  3. Step 3: Cross multiply
    11,028,608.10x = 16,542,912.15 × 7,981,679.70
  4. Step 4: Simplify right side
    11,028,608.10x = 132,040,226,086,538.36
  5. Step 5: Solve for x
    x = 132,040,226,086,538.36/11,028,608.10
  6. Step 6: Final answer
    x = 11,972,519.55

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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.