Home / 12,419,863.44-18,628,727.88-7,560,908.88

Finding the Fourth Proportional to 12,419,863.44, 18,628,727.88 and 7,560,908.88

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Solution

The fourth proportional to 12,419,863.44, 18,628,727.88 and 7,560,908.88 is: 11,340,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,863.44 : 18,628,727.88 = 7,560,908.88 : x
  2. Step 2: Convert to fraction form
    12,419,863.44/18,628,727.88 = 7,560,908.88/x
  3. Step 3: Cross multiply
    12,419,863.44x = 18,628,727.88 × 7,560,908.88
  4. Step 4: Simplify right side
    12,419,863.44x = 140,850,114,050,995.56
  5. Step 5: Solve for x
    x = 140,850,114,050,995.56/12,419,863.44
  6. Step 6: Final answer
    x = 11,340,713.59

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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.