Home / 31,628,909.88-43,647,572.94-17,690,231.72

Finding the Fourth Proportional to 31,628,909.88, 43,647,572.94 and 17,690,231.72

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Solution

The fourth proportional to 31,628,909.88, 43,647,572.94 and 17,690,231.72 is: 24,412,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628,909.88 : 43,647,572.94 = 17,690,231.72 : x
  2. Step 2: Convert to fraction form
    31,628,909.88/43,647,572.94 = 17,690,231.72/x
  3. Step 3: Cross multiply
    31,628,909.88x = 43,647,572.94 × 17,690,231.72
  4. Step 4: Simplify right side
    31,628,909.88x = 772,135,679,391,854.75
  5. Step 5: Solve for x
    x = 772,135,679,391,854.75/31,628,909.88
  6. Step 6: Final answer
    x = 24,412,339.29

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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.