Home / 18,219,084.30-27,328,626.45-4,755,912.30

Finding the Fourth Proportional to 18,219,084.30, 27,328,626.45 and 4,755,912.30

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Solution

The fourth proportional to 18,219,084.30, 27,328,626.45 and 4,755,912.30 is: 7,133,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,084.30 : 27,328,626.45 = 4,755,912.30 : x
  2. Step 2: Convert to fraction form
    18,219,084.30/27,328,626.45 = 4,755,912.30/x
  3. Step 3: Cross multiply
    18,219,084.30x = 27,328,626.45 × 4,755,912.30
  4. Step 4: Simplify right side
    18,219,084.30x = 129,972,550,675,660.33
  5. Step 5: Solve for x
    x = 129,972,550,675,660.33/18,219,084.30
  6. Step 6: Final answer
    x = 7,133,868.45

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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.