Home / 12,631,779.72-18,948,358.04-3,995,234.73

Finding the Fourth Proportional to 12,631,779.72, 18,948,358.04 and 3,995,234.73

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Solution

The fourth proportional to 12,631,779.72, 18,948,358.04 and 3,995,234.73 is: 5,993,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,779.72 : 18,948,358.04 = 3,995,234.73 : x
  2. Step 2: Convert to fraction form
    12,631,779.72/18,948,358.04 = 3,995,234.73/x
  3. Step 3: Cross multiply
    12,631,779.72x = 18,948,358.04 × 3,995,234.73
  4. Step 4: Simplify right side
    12,631,779.72x = 75,703,138,097,906.56
  5. Step 5: Solve for x
    x = 75,703,138,097,906.56/12,631,779.72
  6. Step 6: Final answer
    x = 5,993,069.84

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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.