Home / 10,858,556.15-16,284,217.47-4,379,958.21

Finding the Fourth Proportional to 10,858,556.15, 16,284,217.47 and 4,379,958.21

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Solution

The fourth proportional to 10,858,556.15, 16,284,217.47 and 4,379,958.21 is: 6,568,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858,556.15 : 16,284,217.47 = 4,379,958.21 : x
  2. Step 2: Convert to fraction form
    10,858,556.15/16,284,217.47 = 4,379,958.21/x
  3. Step 3: Cross multiply
    10,858,556.15x = 16,284,217.47 × 4,379,958.21
  4. Step 4: Simplify right side
    10,858,556.15x = 71,324,191,978,831.44
  5. Step 5: Solve for x
    x = 71,324,191,978,831.44/10,858,556.15
  6. Step 6: Final answer
    x = 6,568,478.44

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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.