Home / 31,788,214.80-43,867,821.96-18,037,142.88

Finding the Fourth Proportional to 31,788,214.80, 43,867,821.96 and 18,037,142.88

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Solution

The fourth proportional to 31,788,214.80, 43,867,821.96 and 18,037,142.88 is: 24,891,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788,214.80 : 43,867,821.96 = 18,037,142.88 : x
  2. Step 2: Convert to fraction form
    31,788,214.80/43,867,821.96 = 18,037,142.88/x
  3. Step 3: Cross multiply
    31,788,214.80x = 43,867,821.96 × 18,037,142.88
  4. Step 4: Simplify right side
    31,788,214.80x = 791,250,172,526,921.62
  5. Step 5: Solve for x
    x = 791,250,172,526,921.62/31,788,214.80
  6. Step 6: Final answer
    x = 24,891,305.71

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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.