Home / 8,131,629.69-12,197,378.79-2,066,378.85

Finding the Fourth Proportional to 8,131,629.69, 12,197,378.79 and 2,066,378.85

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Solution

The fourth proportional to 8,131,629.69, 12,197,378.79 and 2,066,378.85 is: 3,099,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,629.69 : 12,197,378.79 = 2,066,378.85 : x
  2. Step 2: Convert to fraction form
    8,131,629.69/12,197,378.79 = 2,066,378.85/x
  3. Step 3: Cross multiply
    8,131,629.69x = 12,197,378.79 × 2,066,378.85
  4. Step 4: Simplify right side
    8,131,629.69x = 25,204,405,557,094.59
  5. Step 5: Solve for x
    x = 25,204,405,557,094.59/8,131,629.69
  6. Step 6: Final answer
    x = 3,099,551.57

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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.