Home / 18,543,419.69-27,815,364.34-7,025,793.05

Finding the Fourth Proportional to 18,543,419.69, 27,815,364.34 and 7,025,793.05

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Solution

The fourth proportional to 18,543,419.69, 27,815,364.34 and 7,025,793.05 is: 10,538,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543,419.69 : 27,815,364.34 = 7,025,793.05 : x
  2. Step 2: Convert to fraction form
    18,543,419.69/27,815,364.34 = 7,025,793.05/x
  3. Step 3: Cross multiply
    18,543,419.69x = 27,815,364.34 × 7,025,793.05
  4. Step 4: Simplify right side
    18,543,419.69x = 195,424,993,515,163.75
  5. Step 5: Solve for x
    x = 195,424,993,515,163.75/18,543,419.69
  6. Step 6: Final answer
    x = 10,538,778.54

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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.