Home / 13,486,546.40-20,229,819.60-8,942,725.85

Finding the Fourth Proportional to 13,486,546.40, 20,229,819.60 and 8,942,725.85

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Solution

The fourth proportional to 13,486,546.40, 20,229,819.60 and 8,942,725.85 is: 13,414,088.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,546.40 : 20,229,819.60 = 8,942,725.85 : x
  2. Step 2: Convert to fraction form
    13,486,546.40/20,229,819.60 = 8,942,725.85/x
  3. Step 3: Cross multiply
    13,486,546.40x = 20,229,819.60 × 8,942,725.85
  4. Step 4: Simplify right side
    13,486,546.40x = 180,909,730,677,756.66
  5. Step 5: Solve for x
    x = 180,909,730,677,756.66/13,486,546.40
  6. Step 6: Final answer
    x = 13,414,088.78

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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.