Home / 8,264,189.92-12,389,185.27-2,872,139.80

Finding the Fourth Proportional to 8,264,189.92, 12,389,185.27 and 2,872,139.80

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Solution

The fourth proportional to 8,264,189.92, 12,389,185.27 and 2,872,139.80 is: 4,305,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,189.92 : 12,389,185.27 = 2,872,139.80 : x
  2. Step 2: Convert to fraction form
    8,264,189.92/12,389,185.27 = 2,872,139.80/x
  3. Step 3: Cross multiply
    8,264,189.92x = 12,389,185.27 × 2,872,139.80
  4. Step 4: Simplify right side
    8,264,189.92x = 35,583,472,027,234.12
  5. Step 5: Solve for x
    x = 35,583,472,027,234.12/8,264,189.92
  6. Step 6: Final answer
    x = 4,305,742.29

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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.