Home / 11,028,608.60-16,542,912.90-7,981,680.20

Finding the Fourth Proportional to 11,028,608.60, 16,542,912.90 and 7,981,680.20

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Solution

The fourth proportional to 11,028,608.60, 16,542,912.90 and 7,981,680.20 is: 11,972,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,608.60 : 16,542,912.90 = 7,981,680.20 : x
  2. Step 2: Convert to fraction form
    11,028,608.60/16,542,912.90 = 7,981,680.20/x
  3. Step 3: Cross multiply
    11,028,608.60x = 16,542,912.90 × 7,981,680.20
  4. Step 4: Simplify right side
    11,028,608.60x = 132,040,240,344,254.59
  5. Step 5: Solve for x
    x = 132,040,240,344,254.59/11,028,608.60
  6. Step 6: Final answer
    x = 11,972,520.30

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1.5x scale

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.