Home / 8,104,559.40-12,156,839.10-7,320,738.60

Finding the Fourth Proportional to 8,104,559.40, 12,156,839.10 and 7,320,738.60

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Solution

The fourth proportional to 8,104,559.40, 12,156,839.10 and 7,320,738.60 is: 10,981,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104,559.40 : 12,156,839.10 = 7,320,738.60 : x
  2. Step 2: Convert to fraction form
    8,104,559.40/12,156,839.10 = 7,320,738.60/x
  3. Step 3: Cross multiply
    8,104,559.40x = 12,156,839.10 × 7,320,738.60
  4. Step 4: Simplify right side
    8,104,559.40x = 88,997,041,253,359.25
  5. Step 5: Solve for x
    x = 88,997,041,253,359.25/8,104,559.40
  6. Step 6: Final answer
    x = 10,981,107.90

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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.