Home / 8,143,923.20-12,213,172.18-3,284,974.73

Finding the Fourth Proportional to 8,143,923.20, 12,213,172.18 and 3,284,974.73

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Solution

The fourth proportional to 8,143,923.20, 12,213,172.18 and 3,284,974.73 is: 4,926,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,923.20 : 12,213,172.18 = 3,284,974.73 : x
  2. Step 2: Convert to fraction form
    8,143,923.20/12,213,172.18 = 3,284,974.73/x
  3. Step 3: Cross multiply
    8,143,923.20x = 12,213,172.18 × 3,284,974.73
  4. Step 4: Simplify right side
    8,143,923.20x = 40,119,961,984,439.01
  5. Step 5: Solve for x
    x = 40,119,961,984,439.01/8,143,923.20
  6. Step 6: Final answer
    x = 4,926,367.92

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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.