Home / 6,172,065.38-8,515,481.92-3,998,274.86

Finding the Fourth Proportional to 6,172,065.38, 8,515,481.92 and 3,998,274.86

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Solution

The fourth proportional to 6,172,065.38, 8,515,481.92 and 3,998,274.86 is: 5,516,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,065.38 : 8,515,481.92 = 3,998,274.86 : x
  2. Step 2: Convert to fraction form
    6,172,065.38/8,515,481.92 = 3,998,274.86/x
  3. Step 3: Cross multiply
    6,172,065.38x = 8,515,481.92 × 3,998,274.86
  4. Step 4: Simplify right side
    6,172,065.38x = 34,047,237,228,947.44
  5. Step 5: Solve for x
    x = 34,047,237,228,947.44/6,172,065.38
  6. Step 6: Final answer
    x = 5,516,344.23

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1.5x scale

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.