Home / 31,243,820.76-43,115,991.12-17,493,276.96

Finding the Fourth Proportional to 31,243,820.76, 43,115,991.12 and 17,493,276.96

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Solution

The fourth proportional to 31,243,820.76, 43,115,991.12 and 17,493,276.96 is: 24,140,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243,820.76 : 43,115,991.12 = 17,493,276.96 : x
  2. Step 2: Convert to fraction form
    31,243,820.76/43,115,991.12 = 17,493,276.96/x
  3. Step 3: Cross multiply
    31,243,820.76x = 43,115,991.12 × 17,493,276.96
  4. Step 4: Simplify right side
    31,243,820.76x = 754,239,974,067,060.62
  5. Step 5: Solve for x
    x = 754,239,974,067,060.62/31,243,820.76
  6. Step 6: Final answer
    x = 24,140,452.60

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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.