Home / 10,959,969.20-16,440,990.60-2,981,793.20

Finding the Fourth Proportional to 10,959,969.20, 16,440,990.60 and 2,981,793.20

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Solution

The fourth proportional to 10,959,969.20, 16,440,990.60 and 2,981,793.20 is: 4,472,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959,969.20 : 16,440,990.60 = 2,981,793.20 : x
  2. Step 2: Convert to fraction form
    10,959,969.20/16,440,990.60 = 2,981,793.20/x
  3. Step 3: Cross multiply
    10,959,969.20x = 16,440,990.60 × 2,981,793.20
  4. Step 4: Simplify right side
    10,959,969.20x = 49,023,633,972,343.92
  5. Step 5: Solve for x
    x = 49,023,633,972,343.92/10,959,969.20
  6. Step 6: Final answer
    x = 4,472,971.87

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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.