Home / 11,999,926.20-18,005,619.24-5,609,249.76

Finding the Fourth Proportional to 11,999,926.20, 18,005,619.24 and 5,609,249.76

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Solution

The fourth proportional to 11,999,926.20, 18,005,619.24 and 5,609,249.76 is: 8,416,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999,926.20 : 18,005,619.24 = 5,609,249.76 : x
  2. Step 2: Convert to fraction form
    11,999,926.20/18,005,619.24 = 5,609,249.76/x
  3. Step 3: Cross multiply
    11,999,926.20x = 18,005,619.24 × 5,609,249.76
  4. Step 4: Simplify right side
    11,999,926.20x = 100,998,015,400,621.38
  5. Step 5: Solve for x
    x = 100,998,015,400,621.38/11,999,926.20
  6. Step 6: Final answer
    x = 8,416,553.05

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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.