Home / 31,179,562.12-43,026,379.10-17,948,175.90

Finding the Fourth Proportional to 31,179,562.12, 43,026,379.10 and 17,948,175.90

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Solution

The fourth proportional to 31,179,562.12, 43,026,379.10 and 17,948,175.90 is: 24,767,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179,562.12 : 43,026,379.10 = 17,948,175.90 : x
  2. Step 2: Convert to fraction form
    31,179,562.12/43,026,379.10 = 17,948,175.90/x
  3. Step 3: Cross multiply
    31,179,562.12x = 43,026,379.10 × 17,948,175.90
  4. Step 4: Simplify right side
    31,179,562.12x = 772,245,020,485,123
  5. Step 5: Solve for x
    x = 772,245,020,485,123/31,179,562.12
  6. Step 6: Final answer
    x = 24,767,667.28

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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.