Home / 13,772,158.20-20,640,522.60-8,375,079.60

Finding the Fourth Proportional to 13,772,158.20, 20,640,522.60 and 8,375,079.60

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Solution

The fourth proportional to 13,772,158.20, 20,640,522.60 and 8,375,079.60 is: 12,551,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,158.20 : 20,640,522.60 = 8,375,079.60 : x
  2. Step 2: Convert to fraction form
    13,772,158.20/20,640,522.60 = 8,375,079.60/x
  3. Step 3: Cross multiply
    13,772,158.20x = 20,640,522.60 × 8,375,079.60
  4. Step 4: Simplify right side
    13,772,158.20x = 172,866,019,760,598.97
  5. Step 5: Solve for x
    x = 172,866,019,760,598.97/13,772,158.20
  6. Step 6: Final answer
    x = 12,551,846.79

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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.