Home / 12,726,105.16-19,092,147.56-4,206,441.64

Finding the Fourth Proportional to 12,726,105.16, 19,092,147.56 and 4,206,441.64

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Solution

The fourth proportional to 12,726,105.16, 19,092,147.56 and 4,206,441.64 is: 6,310,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,105.16 : 19,092,147.56 = 4,206,441.64 : x
  2. Step 2: Convert to fraction form
    12,726,105.16/19,092,147.56 = 4,206,441.64/x
  3. Step 3: Cross multiply
    12,726,105.16x = 19,092,147.56 × 4,206,441.64
  4. Step 4: Simplify right side
    12,726,105.16x = 80,310,004,493,408.39
  5. Step 5: Solve for x
    x = 80,310,004,493,408.39/12,726,105.16
  6. Step 6: Final answer
    x = 6,310,650.70

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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.