Home / 8,188,861.71-12,282,849.41-2,509,102.47

Finding the Fourth Proportional to 8,188,861.71, 12,282,849.41 and 2,509,102.47

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Solution

The fourth proportional to 8,188,861.71, 12,282,849.41 and 2,509,102.47 is: 3,763,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,861.71 : 12,282,849.41 = 2,509,102.47 : x
  2. Step 2: Convert to fraction form
    8,188,861.71/12,282,849.41 = 2,509,102.47/x
  3. Step 3: Cross multiply
    8,188,861.71x = 12,282,849.41 × 2,509,102.47
  4. Step 4: Simplify right side
    8,188,861.71x = 30,818,927,780,723.53
  5. Step 5: Solve for x
    x = 30,818,927,780,723.53/8,188,861.71
  6. Step 6: Final answer
    x = 3,763,517.92

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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.