Home / 12,672,161.66-19,008,398-8,381,675.90

Finding the Fourth Proportional to 12,672,161.66, 19,008,398 and 8,381,675.90

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Solution

The fourth proportional to 12,672,161.66, 19,008,398 and 8,381,675.90 is: 12,572,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,161.66 : 19,008,398 = 8,381,675.90 : x
  2. Step 2: Convert to fraction form
    12,672,161.66/19,008,398 = 8,381,675.90/x
  3. Step 3: Cross multiply
    12,672,161.66x = 19,008,398 × 8,381,675.90
  4. Step 4: Simplify right side
    12,672,161.66x = 159,322,231,414,208.22
  5. Step 5: Solve for x
    x = 159,322,231,414,208.22/12,672,161.66
  6. Step 6: Final answer
    x = 12,572,616.71

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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.