Home / 7,912,983.30-11,867,814-2,231,879.01

Finding the Fourth Proportional to 7,912,983.30, 11,867,814 and 2,231,879.01

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Solution

The fourth proportional to 7,912,983.30, 11,867,814 and 2,231,879.01 is: 3,347,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,983.30 : 11,867,814 = 2,231,879.01 : x
  2. Step 2: Convert to fraction form
    7,912,983.30/11,867,814 = 2,231,879.01/x
  3. Step 3: Cross multiply
    7,912,983.30x = 11,867,814 × 2,231,879.01
  4. Step 4: Simplify right side
    7,912,983.30x = 26,487,524,961,184.14
  5. Step 5: Solve for x
    x = 26,487,524,961,184.14/7,912,983.30
  6. Step 6: Final answer
    x = 3,347,350.04

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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.