Home / 29,722,684.73-40,999,885.22-18,691,937.87

Finding the Fourth Proportional to 29,722,684.73, 40,999,885.22 and 18,691,937.87

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Solution

The fourth proportional to 29,722,684.73, 40,999,885.22 and 18,691,937.87 is: 25,783,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,722,684.73 : 40,999,885.22 = 18,691,937.87 : x
  2. Step 2: Convert to fraction form
    29,722,684.73/40,999,885.22 = 18,691,937.87/x
  3. Step 3: Cross multiply
    29,722,684.73x = 40,999,885.22 × 18,691,937.87
  4. Step 4: Simplify right side
    29,722,684.73x = 766,367,307,051,101.62
  5. Step 5: Solve for x
    x = 766,367,307,051,101.62/29,722,684.73
  6. Step 6: Final answer
    x = 25,783,919.39

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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.