Home / 13,769,203.60-20,656,915.80-8,086,502.80

Finding the Fourth Proportional to 13,769,203.60, 20,656,915.80 and 8,086,502.80

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Solution

The fourth proportional to 13,769,203.60, 20,656,915.80 and 8,086,502.80 is: 12,131,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769,203.60 : 20,656,915.80 = 8,086,502.80 : x
  2. Step 2: Convert to fraction form
    13,769,203.60/20,656,915.80 = 8,086,502.80/x
  3. Step 3: Cross multiply
    13,769,203.60x = 20,656,915.80 × 8,086,502.80
  4. Step 4: Simplify right side
    13,769,203.60x = 167,042,207,456,064.25
  5. Step 5: Solve for x
    x = 167,042,207,456,064.25/13,769,203.60
  6. Step 6: Final answer
    x = 12,131,580.90

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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.