Home / 7,169,893.80-9,894,328.92-3,906,735.36

Finding the Fourth Proportional to 7,169,893.80, 9,894,328.92 and 3,906,735.36

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Solution

The fourth proportional to 7,169,893.80, 9,894,328.92 and 3,906,735.36 is: 5,391,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,893.80 : 9,894,328.92 = 3,906,735.36 : x
  2. Step 2: Convert to fraction form
    7,169,893.80/9,894,328.92 = 3,906,735.36/x
  3. Step 3: Cross multiply
    7,169,893.80x = 9,894,328.92 × 3,906,735.36
  4. Step 4: Simplify right side
    7,169,893.80x = 38,654,524,655,234.61
  5. Step 5: Solve for x
    x = 38,654,524,655,234.61/7,169,893.80
  6. Step 6: Final answer
    x = 5,391,226.95

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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.