Home / 31,034,579.35-42,821,167.03-17,981,043.39

Finding the Fourth Proportional to 31,034,579.35, 42,821,167.03 and 17,981,043.39

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Solution

The fourth proportional to 31,034,579.35, 42,821,167.03 and 17,981,043.39 is: 24,810,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,034,579.35 : 42,821,167.03 = 17,981,043.39 : x
  2. Step 2: Convert to fraction form
    31,034,579.35/42,821,167.03 = 17,981,043.39/x
  3. Step 3: Cross multiply
    31,034,579.35x = 42,821,167.03 × 17,981,043.39
  4. Step 4: Simplify right side
    31,034,579.35x = 769,969,262,376,867.50
  5. Step 5: Solve for x
    x = 769,969,262,376,867.50/31,034,579.35
  6. Step 6: Final answer
    x = 24,810,043.46

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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.