Home / 18,729,015.18-28,093,522.78-5,265,843.18

Finding the Fourth Proportional to 18,729,015.18, 28,093,522.78 and 5,265,843.18

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Solution

The fourth proportional to 18,729,015.18, 28,093,522.78 and 5,265,843.18 is: 7,898,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,015.18 : 28,093,522.78 = 5,265,843.18 : x
  2. Step 2: Convert to fraction form
    18,729,015.18/28,093,522.78 = 5,265,843.18/x
  3. Step 3: Cross multiply
    18,729,015.18x = 28,093,522.78 × 5,265,843.18
  4. Step 4: Simplify right side
    18,729,015.18x = 147,936,085,333,237.62
  5. Step 5: Solve for x
    x = 147,936,085,333,237.62/18,729,015.18
  6. Step 6: Final answer
    x = 7,898,764.77

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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.