Home / 13,766,412.10-20,649,618.15-8,391,640.90

Finding the Fourth Proportional to 13,766,412.10, 20,649,618.15 and 8,391,640.90

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Solution

The fourth proportional to 13,766,412.10, 20,649,618.15 and 8,391,640.90 is: 12,587,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,412.10 : 20,649,618.15 = 8,391,640.90 : x
  2. Step 2: Convert to fraction form
    13,766,412.10/20,649,618.15 = 8,391,640.90/x
  3. Step 3: Cross multiply
    13,766,412.10x = 20,649,618.15 × 8,391,640.90
  4. Step 4: Simplify right side
    13,766,412.10x = 173,284,180,236,922.34
  5. Step 5: Solve for x
    x = 173,284,180,236,922.34/13,766,412.10
  6. Step 6: Final answer
    x = 12,587,461.35

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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.