Home / 36,379,629.20-54,577,025.40-12,126,090.80

Finding the Fourth Proportional to 36,379,629.20, 54,577,025.40 and 12,126,090.80

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Solution

The fourth proportional to 36,379,629.20, 54,577,025.40 and 12,126,090.80 is: 18,191,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379,629.20 : 54,577,025.40 = 12,126,090.80 : x
  2. Step 2: Convert to fraction form
    36,379,629.20/54,577,025.40 = 12,126,090.80/x
  3. Step 3: Cross multiply
    36,379,629.20x = 54,577,025.40 × 12,126,090.80
  4. Step 4: Simplify right side
    36,379,629.20x = 661,805,965,594,306.38
  5. Step 5: Solve for x
    x = 661,805,965,594,306.38/36,379,629.20
  6. Step 6: Final answer
    x = 18,191,663.31

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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.