Home / 18,727,998.30-28,093,868.55-5,081,361.30

Finding the Fourth Proportional to 18,727,998.30, 28,093,868.55 and 5,081,361.30

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Solution

The fourth proportional to 18,727,998.30, 28,093,868.55 and 5,081,361.30 is: 7,622,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,998.30 : 28,093,868.55 = 5,081,361.30 : x
  2. Step 2: Convert to fraction form
    18,727,998.30/28,093,868.55 = 5,081,361.30/x
  3. Step 3: Cross multiply
    18,727,998.30x = 28,093,868.55 × 5,081,361.30
  4. Step 4: Simplify right side
    18,727,998.30x = 142,755,096,417,257.12
  5. Step 5: Solve for x
    x = 142,755,096,417,257.12/18,727,998.30
  6. Step 6: Final answer
    x = 7,622,549.62

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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.