Home / 11,876,775.12-17,784,627.57-8,228,310.53

Finding the Fourth Proportional to 11,876,775.12, 17,784,627.57 and 8,228,310.53

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Solution

The fourth proportional to 11,876,775.12, 17,784,627.57 and 8,228,310.53 is: 12,321,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876,775.12 : 17,784,627.57 = 8,228,310.53 : x
  2. Step 2: Convert to fraction form
    11,876,775.12/17,784,627.57 = 8,228,310.53/x
  3. Step 3: Cross multiply
    11,876,775.12x = 17,784,627.57 × 8,228,310.53
  4. Step 4: Simplify right side
    11,876,775.12x = 146,337,438,217,436.19
  5. Step 5: Solve for x
    x = 146,337,438,217,436.19/11,876,775.12
  6. Step 6: Final answer
    x = 12,321,310.86

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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.