Home / 6,377,656.78-9,561,433.20-3,181,137.58

Finding the Fourth Proportional to 6,377,656.78, 9,561,433.20 and 3,181,137.58

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Solution

The fourth proportional to 6,377,656.78, 9,561,433.20 and 3,181,137.58 is: 4,769,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377,656.78 : 9,561,433.20 = 3,181,137.58 : x
  2. Step 2: Convert to fraction form
    6,377,656.78/9,561,433.20 = 3,181,137.58/x
  3. Step 3: Cross multiply
    6,377,656.78x = 9,561,433.20 × 3,181,137.58
  4. Step 4: Simplify right side
    6,377,656.78x = 30,416,234,471,179.66
  5. Step 5: Solve for x
    x = 30,416,234,471,179.66/6,377,656.78
  6. Step 6: Final answer
    x = 4,769,186.48

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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.