Home / 7,987,352.38-11,981,027.80-1,922,084.83

Finding the Fourth Proportional to 7,987,352.38, 11,981,027.80 and 1,922,084.83

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Solution

The fourth proportional to 7,987,352.38, 11,981,027.80 and 1,922,084.83 is: 2,883,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,352.38 : 11,981,027.80 = 1,922,084.83 : x
  2. Step 2: Convert to fraction form
    7,987,352.38/11,981,027.80 = 1,922,084.83/x
  3. Step 3: Cross multiply
    7,987,352.38x = 11,981,027.80 × 1,922,084.83
  4. Step 4: Simplify right side
    7,987,352.38x = 23,028,551,782,188.28
  5. Step 5: Solve for x
    x = 23,028,551,782,188.28/7,987,352.38
  6. Step 6: Final answer
    x = 2,883,127.06

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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.