Home / 8,960,791.68-12,365,687.25-5,476,116.78

Finding the Fourth Proportional to 8,960,791.68, 12,365,687.25 and 5,476,116.78

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Solution

The fourth proportional to 8,960,791.68, 12,365,687.25 and 5,476,116.78 is: 7,556,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960,791.68 : 12,365,687.25 = 5,476,116.78 : x
  2. Step 2: Convert to fraction form
    8,960,791.68/12,365,687.25 = 5,476,116.78/x
  3. Step 3: Cross multiply
    8,960,791.68x = 12,365,687.25 × 5,476,116.78
  4. Step 4: Simplify right side
    8,960,791.68x = 67,715,947,445,957.05
  5. Step 5: Solve for x
    x = 67,715,947,445,957.05/8,960,791.68
  6. Step 6: Final answer
    x = 7,556,915.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.