Home / 26,627,231.70-39,940,847.55-12,278,324.70

Finding the Fourth Proportional to 26,627,231.70, 39,940,847.55 and 12,278,324.70

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Solution

The fourth proportional to 26,627,231.70, 39,940,847.55 and 12,278,324.70 is: 18,417,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,627,231.70 : 39,940,847.55 = 12,278,324.70 : x
  2. Step 2: Convert to fraction form
    26,627,231.70/39,940,847.55 = 12,278,324.70/x
  3. Step 3: Cross multiply
    26,627,231.70x = 39,940,847.55 × 12,278,324.70
  4. Step 4: Simplify right side
    26,627,231.70x = 490,406,695,012,099.44
  5. Step 5: Solve for x
    x = 490,406,695,012,099.44/26,627,231.70
  6. Step 6: Final answer
    x = 18,417,487.05

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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.