Home / 12,672,162.66-19,008,399.50-8,381,676.90

Finding the Fourth Proportional to 12,672,162.66, 19,008,399.50 and 8,381,676.90

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Solution

The fourth proportional to 12,672,162.66, 19,008,399.50 and 8,381,676.90 is: 12,572,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,162.66 : 19,008,399.50 = 8,381,676.90 : x
  2. Step 2: Convert to fraction form
    12,672,162.66/19,008,399.50 = 8,381,676.90/x
  3. Step 3: Cross multiply
    12,672,162.66x = 19,008,399.50 × 8,381,676.90
  4. Step 4: Simplify right side
    12,672,162.66x = 159,322,262,995,121.56
  5. Step 5: Solve for x
    x = 159,322,262,995,121.56/12,672,162.66
  6. Step 6: Final answer
    x = 12,572,618.21

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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.