Home / 6,660,945.72-9,192,327.66-4,082,128.20

Finding the Fourth Proportional to 6,660,945.72, 9,192,327.66 and 4,082,128.20

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Solution

The fourth proportional to 6,660,945.72, 9,192,327.66 and 4,082,128.20 is: 5,633,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660,945.72 : 9,192,327.66 = 4,082,128.20 : x
  2. Step 2: Convert to fraction form
    6,660,945.72/9,192,327.66 = 4,082,128.20/x
  3. Step 3: Cross multiply
    6,660,945.72x = 9,192,327.66 × 4,082,128.20
  4. Step 4: Simplify right side
    6,660,945.72x = 37,524,259,964,526.02
  5. Step 5: Solve for x
    x = 37,524,259,964,526.02/6,660,945.72
  6. Step 6: Final answer
    x = 5,633,473.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.