Home / 27,117,456.20-40,676,515.40-7,948,600.86

Finding the Fourth Proportional to 27,117,456.20, 40,676,515.40 and 7,948,600.86

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Solution

The fourth proportional to 27,117,456.20, 40,676,515.40 and 7,948,600.86 is: 11,922,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117,456.20 : 40,676,515.40 = 7,948,600.86 : x
  2. Step 2: Convert to fraction form
    27,117,456.20/40,676,515.40 = 7,948,600.86/x
  3. Step 3: Cross multiply
    27,117,456.20x = 40,676,515.40 × 7,948,600.86
  4. Step 4: Simplify right side
    27,117,456.20x = 323,321,385,290,243.25
  5. Step 5: Solve for x
    x = 323,321,385,290,243.25/27,117,456.20
  6. Step 6: Final answer
    x = 11,922,998.34

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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.