Home / 13,310,077-18,367,906.29-7,198,505.50

Finding the Fourth Proportional to 13,310,077, 18,367,906.29 and 7,198,505.50

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Solution

The fourth proportional to 13,310,077, 18,367,906.29 and 7,198,505.50 is: 9,933,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,077 : 18,367,906.29 = 7,198,505.50 : x
  2. Step 2: Convert to fraction form
    13,310,077/18,367,906.29 = 7,198,505.50/x
  3. Step 3: Cross multiply
    13,310,077x = 18,367,906.29 × 7,198,505.50
  4. Step 4: Simplify right side
    13,310,077x = 132,221,474,452,049.59
  5. Step 5: Solve for x
    x = 132,221,474,452,049.59/13,310,077
  6. Step 6: Final answer
    x = 9,933,937.61

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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.