Home / 18,361,996.60-27,519,375.30-11,165,891.80

Finding the Fourth Proportional to 18,361,996.60, 27,519,375.30 and 11,165,891.80

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Solution

The fourth proportional to 18,361,996.60, 27,519,375.30 and 11,165,891.80 is: 16,734,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,996.60 : 27,519,375.30 = 11,165,891.80 : x
  2. Step 2: Convert to fraction form
    18,361,996.60/27,519,375.30 = 11,165,891.80/x
  3. Step 3: Cross multiply
    18,361,996.60x = 27,519,375.30 × 11,165,891.80
  4. Step 4: Simplify right side
    18,361,996.60x = 307,278,367,003,392.56
  5. Step 5: Solve for x
    x = 307,278,367,003,392.56/18,361,996.60
  6. Step 6: Final answer
    x = 16,734,474.67

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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.