Home / 8,082,472-12,123,800.16-2,764,102.72

Finding the Fourth Proportional to 8,082,472, 12,123,800.16 and 2,764,102.72

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Solution

The fourth proportional to 8,082,472, 12,123,800.16 and 2,764,102.72 is: 4,146,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082,472 : 12,123,800.16 = 2,764,102.72 : x
  2. Step 2: Convert to fraction form
    8,082,472/12,123,800.16 = 2,764,102.72/x
  3. Step 3: Cross multiply
    8,082,472x = 12,123,800.16 × 2,764,102.72
  4. Step 4: Simplify right side
    8,082,472x = 33,511,428,998,992.44
  5. Step 5: Solve for x
    x = 33,511,428,998,992.44/8,082,472
  6. Step 6: Final answer
    x = 4,146,185.60

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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.