Home / 40,295,517.76-60,461,083.68-21,121,690.24

Finding the Fourth Proportional to 40,295,517.76, 60,461,083.68 and 21,121,690.24

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Solution

The fourth proportional to 40,295,517.76, 60,461,083.68 and 21,121,690.24 is: 31,691,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295,517.76 : 60,461,083.68 = 21,121,690.24 : x
  2. Step 2: Convert to fraction form
    40,295,517.76/60,461,083.68 = 21,121,690.24/x
  3. Step 3: Cross multiply
    40,295,517.76x = 60,461,083.68 × 21,121,690.24
  4. Step 4: Simplify right side
    40,295,517.76x = 1,277,040,281,063,679.25
  5. Step 5: Solve for x
    x = 1,277,040,281,063,679.25/40,295,517.76
  6. Step 6: Final answer
    x = 31,691,869.27

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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.