Home / 12,090,251.60-18,131,143.80-3,568,331.60

Finding the Fourth Proportional to 12,090,251.60, 18,131,143.80 and 3,568,331.60

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Solution

The fourth proportional to 12,090,251.60, 18,131,143.80 and 3,568,331.60 is: 5,351,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,251.60 : 18,131,143.80 = 3,568,331.60 : x
  2. Step 2: Convert to fraction form
    12,090,251.60/18,131,143.80 = 3,568,331.60/x
  3. Step 3: Cross multiply
    12,090,251.60x = 18,131,143.80 × 3,568,331.60
  4. Step 4: Simplify right side
    12,090,251.60x = 64,697,933,365,684.09
  5. Step 5: Solve for x
    x = 64,697,933,365,684.09/12,090,251.60
  6. Step 6: Final answer
    x = 5,351,247.89

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1.5x scale

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.