Home / 10,517,038.38-15,777,300.42-3,691,840.68

Finding the Fourth Proportional to 10,517,038.38, 15,777,300.42 and 3,691,840.68

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Solution

The fourth proportional to 10,517,038.38, 15,777,300.42 and 3,691,840.68 is: 5,538,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517,038.38 : 15,777,300.42 = 3,691,840.68 : x
  2. Step 2: Convert to fraction form
    10,517,038.38/15,777,300.42 = 3,691,840.68/x
  3. Step 3: Cross multiply
    10,517,038.38x = 15,777,300.42 × 3,691,840.68
  4. Step 4: Simplify right side
    10,517,038.38x = 58,247,279,511,137.09
  5. Step 5: Solve for x
    x = 58,247,279,511,137.09/10,517,038.38
  6. Step 6: Final answer
    x = 5,538,372.82

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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.