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Finding the Fourth Proportional to 8,149,338.65, 12,219,579.30 and 3,357,512.30

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Solution

The fourth proportional to 8,149,338.65, 12,219,579.30 and 3,357,512.30 is: 5,034,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,338.65 : 12,219,579.30 = 3,357,512.30 : x
  2. Step 2: Convert to fraction form
    8,149,338.65/12,219,579.30 = 3,357,512.30/x
  3. Step 3: Cross multiply
    8,149,338.65x = 12,219,579.30 × 3,357,512.30
  4. Step 4: Simplify right side
    8,149,338.65x = 41,027,387,800,575.39
  5. Step 5: Solve for x
    x = 41,027,387,800,575.39/8,149,338.65
  6. Step 6: Final answer
    x = 5,034,443.84

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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.