Home / 12,029,872.86-18,037,603.22-3,828,972.78

Finding the Fourth Proportional to 12,029,872.86, 18,037,603.22 and 3,828,972.78

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Solution

The fourth proportional to 12,029,872.86, 18,037,603.22 and 3,828,972.78 is: 5,741,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,872.86 : 18,037,603.22 = 3,828,972.78 : x
  2. Step 2: Convert to fraction form
    12,029,872.86/18,037,603.22 = 3,828,972.78/x
  3. Step 3: Cross multiply
    12,029,872.86x = 18,037,603.22 × 3,828,972.78
  4. Step 4: Simplify right side
    12,029,872.86x = 69,065,491,726,675.48
  5. Step 5: Solve for x
    x = 69,065,491,726,675.48/12,029,872.86
  6. Step 6: Final answer
    x = 5,741,165.56

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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.