Home / 7,137,818.55-9,850,202.19-3,874,635.54

Finding the Fourth Proportional to 7,137,818.55, 9,850,202.19 and 3,874,635.54

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Solution

The fourth proportional to 7,137,818.55, 9,850,202.19 and 3,874,635.54 is: 5,347,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,818.55 : 9,850,202.19 = 3,874,635.54 : x
  2. Step 2: Convert to fraction form
    7,137,818.55/9,850,202.19 = 3,874,635.54/x
  3. Step 3: Cross multiply
    7,137,818.55x = 9,850,202.19 × 3,874,635.54
  4. Step 4: Simplify right side
    7,137,818.55x = 38,165,943,481,559.83
  5. Step 5: Solve for x
    x = 38,165,943,481,559.83/7,137,818.55
  6. Step 6: Final answer
    x = 5,347,003.88

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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.