Home / 8,191,620.24-12,278,270.88-3,069,121.92

Finding the Fourth Proportional to 8,191,620.24, 12,278,270.88 and 3,069,121.92

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Solution

The fourth proportional to 8,191,620.24, 12,278,270.88 and 3,069,121.92 is: 4,600,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,620.24 : 12,278,270.88 = 3,069,121.92 : x
  2. Step 2: Convert to fraction form
    8,191,620.24/12,278,270.88 = 3,069,121.92/x
  3. Step 3: Cross multiply
    8,191,620.24x = 12,278,270.88 × 3,069,121.92
  4. Step 4: Simplify right side
    8,191,620.24x = 37,683,510,297,505.69
  5. Step 5: Solve for x
    x = 37,683,510,297,505.69/8,191,620.24
  6. Step 6: Final answer
    x = 4,600,251.13

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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.