Home / 11,861,342-17,792,793.68-3,107,834.92

Finding the Fourth Proportional to 11,861,342, 17,792,793.68 and 3,107,834.92

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Solution

The fourth proportional to 11,861,342, 17,792,793.68 and 3,107,834.92 is: 4,661,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861,342 : 17,792,793.68 = 3,107,834.92 : x
  2. Step 2: Convert to fraction form
    11,861,342/17,792,793.68 = 3,107,834.92/x
  3. Step 3: Cross multiply
    11,861,342x = 17,792,793.68 × 3,107,834.92
  4. Step 4: Simplify right side
    11,861,342x = 55,297,065,507,520.13
  5. Step 5: Solve for x
    x = 55,297,065,507,520.13/11,861,342
  6. Step 6: Final answer
    x = 4,661,956.93

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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.