Home / 8,422,131.21-12,633,198-2,032,383.57

Finding the Fourth Proportional to 8,422,131.21, 12,633,198 and 2,032,383.57

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Solution

The fourth proportional to 8,422,131.21, 12,633,198 and 2,032,383.57 is: 3,048,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,131.21 : 12,633,198 = 2,032,383.57 : x
  2. Step 2: Convert to fraction form
    8,422,131.21/12,633,198 = 2,032,383.57/x
  3. Step 3: Cross multiply
    8,422,131.21x = 12,633,198 × 2,032,383.57
  4. Step 4: Simplify right side
    8,422,131.21x = 25,675,504,051,756.86
  5. Step 5: Solve for x
    x = 25,675,504,051,756.86/8,422,131.21
  6. Step 6: Final answer
    x = 3,048,575.64

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1.5x scale

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.