Home / 13,772,302.20-20,640,738.60-8,375,223.60

Finding the Fourth Proportional to 13,772,302.20, 20,640,738.60 and 8,375,223.60

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Solution

The fourth proportional to 13,772,302.20, 20,640,738.60 and 8,375,223.60 is: 12,552,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,302.20 : 20,640,738.60 = 8,375,223.60 : x
  2. Step 2: Convert to fraction form
    13,772,302.20/20,640,738.60 = 8,375,223.60/x
  3. Step 3: Cross multiply
    13,772,302.20x = 20,640,738.60 × 8,375,223.60
  4. Step 4: Simplify right side
    13,772,302.20x = 172,870,801,044,150.97
  5. Step 5: Solve for x
    x = 172,870,801,044,150.97/13,772,302.20
  6. Step 6: Final answer
    x = 12,552,062.72

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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.