Home / 7,788,142.20-11,682,213.30-2,738,796.60

Finding the Fourth Proportional to 7,788,142.20, 11,682,213.30 and 2,738,796.60

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Solution

The fourth proportional to 7,788,142.20, 11,682,213.30 and 2,738,796.60 is: 4,108,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,142.20 : 11,682,213.30 = 2,738,796.60 : x
  2. Step 2: Convert to fraction form
    7,788,142.20/11,682,213.30 = 2,738,796.60/x
  3. Step 3: Cross multiply
    7,788,142.20x = 11,682,213.30 × 2,738,796.60
  4. Step 4: Simplify right side
    7,788,142.20x = 31,995,206,066,514.78
  5. Step 5: Solve for x
    x = 31,995,206,066,514.78/7,788,142.20
  6. Step 6: Final answer
    x = 4,108,194.90

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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.