Home / 8,147,631.80-12,221,447.70-3,098,286.20

Finding the Fourth Proportional to 8,147,631.80, 12,221,447.70 and 3,098,286.20

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Solution

The fourth proportional to 8,147,631.80, 12,221,447.70 and 3,098,286.20 is: 4,647,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,631.80 : 12,221,447.70 = 3,098,286.20 : x
  2. Step 2: Convert to fraction form
    8,147,631.80/12,221,447.70 = 3,098,286.20/x
  3. Step 3: Cross multiply
    8,147,631.80x = 12,221,447.70 × 3,098,286.20
  4. Step 4: Simplify right side
    8,147,631.80x = 37,865,542,752,931.74
  5. Step 5: Solve for x
    x = 37,865,542,752,931.74/8,147,631.80
  6. Step 6: Final answer
    x = 4,647,429.30

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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.