Home / 8,082,040.20-12,123,060.30-7,205,162.55

Finding the Fourth Proportional to 8,082,040.20, 12,123,060.30 and 7,205,162.55

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Solution

The fourth proportional to 8,082,040.20, 12,123,060.30 and 7,205,162.55 is: 10,807,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082,040.20 : 12,123,060.30 = 7,205,162.55 : x
  2. Step 2: Convert to fraction form
    8,082,040.20/12,123,060.30 = 7,205,162.55/x
  3. Step 3: Cross multiply
    8,082,040.20x = 12,123,060.30 × 7,205,162.55
  4. Step 4: Simplify right side
    8,082,040.20x = 87,348,620,064,951.77
  5. Step 5: Solve for x
    x = 87,348,620,064,951.77/8,082,040.20
  6. Step 6: Final answer
    x = 10,807,743.83

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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.