Home / 8,872,678.20-13,311,375.21-2,807,517.69

Finding the Fourth Proportional to 8,872,678.20, 13,311,375.21 and 2,807,517.69

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Solution

The fourth proportional to 8,872,678.20, 13,311,375.21 and 2,807,517.69 is: 4,212,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872,678.20 : 13,311,375.21 = 2,807,517.69 : x
  2. Step 2: Convert to fraction form
    8,872,678.20/13,311,375.21 = 2,807,517.69/x
  3. Step 3: Cross multiply
    8,872,678.20x = 13,311,375.21 × 2,807,517.69
  4. Step 4: Simplify right side
    8,872,678.20x = 37,371,921,380,302.47
  5. Step 5: Solve for x
    x = 37,371,921,380,302.47/8,872,678.20
  6. Step 6: Final answer
    x = 4,212,022.63

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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.