Home / 8,100,279.82-12,150,431.52-3,307,969.09

Finding the Fourth Proportional to 8,100,279.82, 12,150,431.52 and 3,307,969.09

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Solution

The fourth proportional to 8,100,279.82, 12,150,431.52 and 3,307,969.09 is: 4,961,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100,279.82 : 12,150,431.52 = 3,307,969.09 : x
  2. Step 2: Convert to fraction form
    8,100,279.82/12,150,431.52 = 3,307,969.09/x
  3. Step 3: Cross multiply
    8,100,279.82x = 12,150,431.52 × 3,307,969.09
  4. Step 4: Simplify right side
    8,100,279.82x = 40,193,251,898,321.71
  5. Step 5: Solve for x
    x = 40,193,251,898,321.71/8,100,279.82
  6. Step 6: Final answer
    x = 4,961,958.45

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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.