Home / 20,727,906.96-31,095,845.60-7,947,414.84

Finding the Fourth Proportional to 20,727,906.96, 31,095,845.60 and 7,947,414.84

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Solution

The fourth proportional to 20,727,906.96, 31,095,845.60 and 7,947,414.84 is: 11,922,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,906.96 : 31,095,845.60 = 7,947,414.84 : x
  2. Step 2: Convert to fraction form
    20,727,906.96/31,095,845.60 = 7,947,414.84/x
  3. Step 3: Cross multiply
    20,727,906.96x = 31,095,845.60 × 7,947,414.84
  4. Step 4: Simplify right side
    20,727,906.96x = 247,131,584,744,051.62
  5. Step 5: Solve for x
    x = 247,131,584,744,051.62/20,727,906.96
  6. Step 6: Final answer
    x = 11,922,650.23

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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.