Home / 10,361,261.78-15,541,930.34-3,172,766.53

Finding the Fourth Proportional to 10,361,261.78, 15,541,930.34 and 3,172,766.53

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Solution

The fourth proportional to 10,361,261.78, 15,541,930.34 and 3,172,766.53 is: 4,759,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,261.78 : 15,541,930.34 = 3,172,766.53 : x
  2. Step 2: Convert to fraction form
    10,361,261.78/15,541,930.34 = 3,172,766.53/x
  3. Step 3: Cross multiply
    10,361,261.78x = 15,541,930.34 × 3,172,766.53
  4. Step 4: Simplify right side
    10,361,261.78x = 49,310,916,394,343.52
  5. Step 5: Solve for x
    x = 49,310,916,394,343.52/10,361,261.78
  6. Step 6: Final answer
    x = 4,759,161.33

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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.