Home / 8,203,286.20-12,304,929.30-7,282,121.80

Finding the Fourth Proportional to 8,203,286.20, 12,304,929.30 and 7,282,121.80

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Solution

The fourth proportional to 8,203,286.20, 12,304,929.30 and 7,282,121.80 is: 10,923,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203,286.20 : 12,304,929.30 = 7,282,121.80 : x
  2. Step 2: Convert to fraction form
    8,203,286.20/12,304,929.30 = 7,282,121.80/x
  3. Step 3: Cross multiply
    8,203,286.20x = 12,304,929.30 × 7,282,121.80
  4. Step 4: Simplify right side
    8,203,286.20x = 89,605,993,902,988.75
  5. Step 5: Solve for x
    x = 89,605,993,902,988.75/8,203,286.20
  6. Step 6: Final answer
    x = 10,923,182.70

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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.