Home / 31,840,690.80-43,935,714.12-17,900,140.44

Finding the Fourth Proportional to 31,840,690.80, 43,935,714.12 and 17,900,140.44

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Solution

The fourth proportional to 31,840,690.80, 43,935,714.12 and 17,900,140.44 is: 24,699,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840,690.80 : 43,935,714.12 = 17,900,140.44 : x
  2. Step 2: Convert to fraction form
    31,840,690.80/43,935,714.12 = 17,900,140.44/x
  3. Step 3: Cross multiply
    31,840,690.80x = 43,935,714.12 × 17,900,140.44
  4. Step 4: Simplify right side
    31,840,690.80x = 786,455,453,079,691
  5. Step 5: Solve for x
    x = 786,455,453,079,691/31,840,690.80
  6. Step 6: Final answer
    x = 24,699,698.19

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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.