Home / 18,799,307.40-28,198,961.10-12,416,766.60

Finding the Fourth Proportional to 18,799,307.40, 28,198,961.10 and 12,416,766.60

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Solution

The fourth proportional to 18,799,307.40, 28,198,961.10 and 12,416,766.60 is: 18,625,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799,307.40 : 28,198,961.10 = 12,416,766.60 : x
  2. Step 2: Convert to fraction form
    18,799,307.40/28,198,961.10 = 12,416,766.60/x
  3. Step 3: Cross multiply
    18,799,307.40x = 28,198,961.10 × 12,416,766.60
  4. Step 4: Simplify right side
    18,799,307.40x = 350,139,918,341,179.25
  5. Step 5: Solve for x
    x = 350,139,918,341,179.25/18,799,307.40
  6. Step 6: Final answer
    x = 18,625,149.90

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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.