Home / 8,252,219.75-12,377,745.27-2,186,817.21

Finding the Fourth Proportional to 8,252,219.75, 12,377,745.27 and 2,186,817.21

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Solution

The fourth proportional to 8,252,219.75, 12,377,745.27 and 2,186,817.21 is: 3,280,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252,219.75 : 12,377,745.27 = 2,186,817.21 : x
  2. Step 2: Convert to fraction form
    8,252,219.75/12,377,745.27 = 2,186,817.21/x
  3. Step 3: Cross multiply
    8,252,219.75x = 12,377,745.27 × 2,186,817.21
  4. Step 4: Simplify right side
    8,252,219.75x = 27,067,866,377,432.09
  5. Step 5: Solve for x
    x = 27,067,866,377,432.09/8,252,219.75
  6. Step 6: Final answer
    x = 3,280,070.96

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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.