Home / 31,840,685.80-43,935,707.28-17,900,135.44

Finding the Fourth Proportional to 31,840,685.80, 43,935,707.28 and 17,900,135.44

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Solution

The fourth proportional to 31,840,685.80, 43,935,707.28 and 17,900,135.44 is: 24,699,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840,685.80 : 43,935,707.28 = 17,900,135.44 : x
  2. Step 2: Convert to fraction form
    31,840,685.80/43,935,707.28 = 17,900,135.44/x
  3. Step 3: Cross multiply
    31,840,685.80x = 43,935,707.28 × 17,900,135.44
  4. Step 4: Simplify right side
    31,840,685.80x = 786,455,110,964,194.12
  5. Step 5: Solve for x
    x = 786,455,110,964,194.12/31,840,685.80
  6. Step 6: Final answer
    x = 24,699,691.33

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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.