Home / 12,885,672.38-19,328,625.21-3,910,224.38

Finding the Fourth Proportional to 12,885,672.38, 19,328,625.21 and 3,910,224.38

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Solution

The fourth proportional to 12,885,672.38, 19,328,625.21 and 3,910,224.38 is: 5,865,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,672.38 : 19,328,625.21 = 3,910,224.38 : x
  2. Step 2: Convert to fraction form
    12,885,672.38/19,328,625.21 = 3,910,224.38/x
  3. Step 3: Cross multiply
    12,885,672.38x = 19,328,625.21 × 3,910,224.38
  4. Step 4: Simplify right side
    12,885,672.38x = 75,579,261,431,381.50
  5. Step 5: Solve for x
    x = 75,579,261,431,381.50/12,885,672.38
  6. Step 6: Final answer
    x = 5,865,371.96

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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.