Home / 8,264,181-12,389,171.84-2,872,130.88

Finding the Fourth Proportional to 8,264,181, 12,389,171.84 and 2,872,130.88

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Solution

The fourth proportional to 8,264,181, 12,389,171.84 and 2,872,130.88 is: 4,305,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,181 : 12,389,171.84 = 2,872,130.88 : x
  2. Step 2: Convert to fraction form
    8,264,181/12,389,171.84 = 2,872,130.88/x
  3. Step 3: Cross multiply
    8,264,181x = 12,389,171.84 × 2,872,130.88
  4. Step 4: Simplify right side
    8,264,181x = 35,583,323,019,290.41
  5. Step 5: Solve for x
    x = 35,583,323,019,290.41/8,264,181
  6. Step 6: Final answer
    x = 4,305,728.91

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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.