Home / 8,120,734.88-12,177,049.20-2,655,117.74

Finding the Fourth Proportional to 8,120,734.88, 12,177,049.20 and 2,655,117.74

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Solution

The fourth proportional to 8,120,734.88, 12,177,049.20 and 2,655,117.74 is: 3,981,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,734.88 : 12,177,049.20 = 2,655,117.74 : x
  2. Step 2: Convert to fraction form
    8,120,734.88/12,177,049.20 = 2,655,117.74/x
  3. Step 3: Cross multiply
    8,120,734.88x = 12,177,049.20 × 2,655,117.74
  4. Step 4: Simplify right side
    8,120,734.88x = 32,331,499,351,772.81
  5. Step 5: Solve for x
    x = 32,331,499,351,772.81/8,120,734.88
  6. Step 6: Final answer
    x = 3,981,351.42

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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.