Home / 8,394,617.20-12,591,925.80-7,722,770.80

Finding the Fourth Proportional to 8,394,617.20, 12,591,925.80 and 7,722,770.80

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Solution

The fourth proportional to 8,394,617.20, 12,591,925.80 and 7,722,770.80 is: 11,584,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,617.20 : 12,591,925.80 = 7,722,770.80 : x
  2. Step 2: Convert to fraction form
    8,394,617.20/12,591,925.80 = 7,722,770.80/x
  3. Step 3: Cross multiply
    8,394,617.20x = 12,591,925.80 × 7,722,770.80
  4. Step 4: Simplify right side
    8,394,617.20x = 97,244,556,884,006.64
  5. Step 5: Solve for x
    x = 97,244,556,884,006.64/8,394,617.20
  6. Step 6: Final answer
    x = 11,584,156.20

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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.