Home / 18,198,517.20-27,297,775.80-14,132,993.55

Finding the Fourth Proportional to 18,198,517.20, 27,297,775.80 and 14,132,993.55

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Solution

The fourth proportional to 18,198,517.20, 27,297,775.80 and 14,132,993.55 is: 21,199,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198,517.20 : 27,297,775.80 = 14,132,993.55 : x
  2. Step 2: Convert to fraction form
    18,198,517.20/27,297,775.80 = 14,132,993.55/x
  3. Step 3: Cross multiply
    18,198,517.20x = 27,297,775.80 × 14,132,993.55
  4. Step 4: Simplify right side
    18,198,517.20x = 385,799,289,310,746.12
  5. Step 5: Solve for x
    x = 385,799,289,310,746.12/18,198,517.20
  6. Step 6: Final answer
    x = 21,199,490.33

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Double scale
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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.