Home / 8,264,180-12,389,170.34-2,872,129.88

Finding the Fourth Proportional to 8,264,180, 12,389,170.34 and 2,872,129.88

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Solution

The fourth proportional to 8,264,180, 12,389,170.34 and 2,872,129.88 is: 4,305,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,180 : 12,389,170.34 = 2,872,129.88 : x
  2. Step 2: Convert to fraction form
    8,264,180/12,389,170.34 = 2,872,129.88/x
  3. Step 3: Cross multiply
    8,264,180x = 12,389,170.34 × 2,872,129.88
  4. Step 4: Simplify right side
    8,264,180x = 35,583,306,321,923.76
  5. Step 5: Solve for x
    x = 35,583,306,321,923.76/8,264,180
  6. Step 6: Final answer
    x = 4,305,727.41

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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.