Home / 18,727,998.80-28,093,869.30-5,081,361.80

Finding the Fourth Proportional to 18,727,998.80, 28,093,869.30 and 5,081,361.80

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Solution

The fourth proportional to 18,727,998.80, 28,093,869.30 and 5,081,361.80 is: 7,622,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,998.80 : 28,093,869.30 = 5,081,361.80 : x
  2. Step 2: Convert to fraction form
    18,727,998.80/28,093,869.30 = 5,081,361.80/x
  3. Step 3: Cross multiply
    18,727,998.80x = 28,093,869.30 × 5,081,361.80
  4. Step 4: Simplify right side
    18,727,998.80x = 142,755,114,275,212.75
  5. Step 5: Solve for x
    x = 142,755,114,275,212.75/18,727,998.80
  6. Step 6: Final answer
    x = 7,622,550.37

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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.