Home / 20,304,379.68-30,454,954.92-8,165,285.52

Finding the Fourth Proportional to 20,304,379.68, 30,454,954.92 and 8,165,285.52

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Solution

The fourth proportional to 20,304,379.68, 30,454,954.92 and 8,165,285.52 is: 12,247,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304,379.68 : 30,454,954.92 = 8,165,285.52 : x
  2. Step 2: Convert to fraction form
    20,304,379.68/30,454,954.92 = 8,165,285.52/x
  3. Step 3: Cross multiply
    20,304,379.68x = 30,454,954.92 × 8,165,285.52
  4. Step 4: Simplify right side
    20,304,379.68x = 248,673,402,420,528.75
  5. Step 5: Solve for x
    x = 248,673,402,420,528.75/20,304,379.68
  6. Step 6: Final answer
    x = 12,247,278.98

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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.