Home / 13,494,380.22-18,622,691.91-7,382,811.42

Finding the Fourth Proportional to 13,494,380.22, 18,622,691.91 and 7,382,811.42

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Solution

The fourth proportional to 13,494,380.22, 18,622,691.91 and 7,382,811.42 is: 10,188,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,380.22 : 18,622,691.91 = 7,382,811.42 : x
  2. Step 2: Convert to fraction form
    13,494,380.22/18,622,691.91 = 7,382,811.42/x
  3. Step 3: Cross multiply
    13,494,380.22x = 18,622,691.91 × 7,382,811.42
  4. Step 4: Simplify right side
    13,494,380.22x = 137,487,822,504,289.61
  5. Step 5: Solve for x
    x = 137,487,822,504,289.61/13,494,380.22
  6. Step 6: Final answer
    x = 10,188,524.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.