Home / 7,930,989.09-11,897,113.92-3,382,076.73

Finding the Fourth Proportional to 7,930,989.09, 11,897,113.92 and 3,382,076.73

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Solution

The fourth proportional to 7,930,989.09, 11,897,113.92 and 3,382,076.73 is: 5,073,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930,989.09 : 11,897,113.92 = 3,382,076.73 : x
  2. Step 2: Convert to fraction form
    7,930,989.09/11,897,113.92 = 3,382,076.73/x
  3. Step 3: Cross multiply
    7,930,989.09x = 11,897,113.92 × 3,382,076.73
  4. Step 4: Simplify right side
    7,930,989.09x = 40,236,952,142,991.08
  5. Step 5: Solve for x
    x = 40,236,952,142,991.08/7,930,989.09
  6. Step 6: Final answer
    x = 5,073,383.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.