Home / 13,752,769.20-20,629,153.80-12,477,310.80

Finding the Fourth Proportional to 13,752,769.20, 20,629,153.80 and 12,477,310.80

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Solution

The fourth proportional to 13,752,769.20, 20,629,153.80 and 12,477,310.80 is: 18,715,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,769.20 : 20,629,153.80 = 12,477,310.80 : x
  2. Step 2: Convert to fraction form
    13,752,769.20/20,629,153.80 = 12,477,310.80/x
  3. Step 3: Cross multiply
    13,752,769.20x = 20,629,153.80 × 12,477,310.80
  4. Step 4: Simplify right side
    13,752,769.20x = 257,396,363,503,601.06
  5. Step 5: Solve for x
    x = 257,396,363,503,601.06/13,752,769.20
  6. Step 6: Final answer
    x = 18,715,966.20

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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.