Home / 12,394,517.80-18,591,776.70-11,012,771.20

Finding the Fourth Proportional to 12,394,517.80, 18,591,776.70 and 11,012,771.20

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Solution

The fourth proportional to 12,394,517.80, 18,591,776.70 and 11,012,771.20 is: 16,519,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,517.80 : 18,591,776.70 = 11,012,771.20 : x
  2. Step 2: Convert to fraction form
    12,394,517.80/18,591,776.70 = 11,012,771.20/x
  3. Step 3: Cross multiply
    12,394,517.80x = 18,591,776.70 × 11,012,771.20
  4. Step 4: Simplify right side
    12,394,517.80x = 204,746,982,998,591.03
  5. Step 5: Solve for x
    x = 204,746,982,998,591.03/12,394,517.80
  6. Step 6: Final answer
    x = 16,519,156.80

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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.