Home / 12,394,141.20-18,591,211.80-3,296,221.20

Finding the Fourth Proportional to 12,394,141.20, 18,591,211.80 and 3,296,221.20

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Solution

The fourth proportional to 12,394,141.20, 18,591,211.80 and 3,296,221.20 is: 4,944,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,141.20 : 18,591,211.80 = 3,296,221.20 : x
  2. Step 2: Convert to fraction form
    12,394,141.20/18,591,211.80 = 3,296,221.20/x
  3. Step 3: Cross multiply
    12,394,141.20x = 18,591,211.80 × 3,296,221.20
  4. Step 4: Simplify right side
    12,394,141.20x = 61,280,746,468,850.16
  5. Step 5: Solve for x
    x = 61,280,746,468,850.16/12,394,141.20
  6. Step 6: Final answer
    x = 4,944,331.80

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Similar ratio
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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.