Home / 6,660,982.72-9,192,378.78-4,082,165.20

Finding the Fourth Proportional to 6,660,982.72, 9,192,378.78 and 4,082,165.20

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Solution

The fourth proportional to 6,660,982.72, 9,192,378.78 and 4,082,165.20 is: 5,633,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660,982.72 : 9,192,378.78 = 4,082,165.20 : x
  2. Step 2: Convert to fraction form
    6,660,982.72/9,192,378.78 = 4,082,165.20/x
  3. Step 3: Cross multiply
    6,660,982.72x = 9,192,378.78 × 4,082,165.20
  4. Step 4: Simplify right side
    6,660,982.72x = 37,524,808,760,934.45
  5. Step 5: Solve for x
    x = 37,524,808,760,934.45/6,660,982.72
  6. Step 6: Final answer
    x = 5,633,524.41

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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.