Home / 12,672,079.80-19,008,119.70-7,633,231.80

Finding the Fourth Proportional to 12,672,079.80, 19,008,119.70 and 7,633,231.80

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Solution

The fourth proportional to 12,672,079.80, 19,008,119.70 and 7,633,231.80 is: 11,449,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,079.80 : 19,008,119.70 = 7,633,231.80 : x
  2. Step 2: Convert to fraction form
    12,672,079.80/19,008,119.70 = 7,633,231.80/x
  3. Step 3: Cross multiply
    12,672,079.80x = 19,008,119.70 × 7,633,231.80
  4. Step 4: Simplify right side
    12,672,079.80x = 145,093,383,752,246.44
  5. Step 5: Solve for x
    x = 145,093,383,752,246.44/12,672,079.80
  6. Step 6: Final answer
    x = 11,449,847.70

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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.