Home / 18,012,876.54-27,020,975.82-5,882,403.57

Finding the Fourth Proportional to 18,012,876.54, 27,020,975.82 and 5,882,403.57

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Solution

The fourth proportional to 18,012,876.54, 27,020,975.82 and 5,882,403.57 is: 8,824,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012,876.54 : 27,020,975.82 = 5,882,403.57 : x
  2. Step 2: Convert to fraction form
    18,012,876.54/27,020,975.82 = 5,882,403.57/x
  3. Step 3: Cross multiply
    18,012,876.54x = 27,020,975.82 × 5,882,403.57
  4. Step 4: Simplify right side
    18,012,876.54x = 158,948,284,493,346.81
  5. Step 5: Solve for x
    x = 158,948,284,493,346.81/18,012,876.54
  6. Step 6: Final answer
    x = 8,824,147.78

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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.