Home / 18,627,542.68-27,941,321.22-8,380,435.72

Finding the Fourth Proportional to 18,627,542.68, 27,941,321.22 and 8,380,435.72

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Solution

The fourth proportional to 18,627,542.68, 27,941,321.22 and 8,380,435.72 is: 12,570,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,542.68 : 27,941,321.22 = 8,380,435.72 : x
  2. Step 2: Convert to fraction form
    18,627,542.68/27,941,321.22 = 8,380,435.72/x
  3. Step 3: Cross multiply
    18,627,542.68x = 27,941,321.22 × 8,380,435.72
  4. Step 4: Simplify right side
    18,627,542.68x = 234,160,446,416,081.97
  5. Step 5: Solve for x
    x = 234,160,446,416,081.97/18,627,542.68
  6. Step 6: Final answer
    x = 12,570,656.82

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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.