Home / 8,220,452.24-12,333,416.78-2,756,087.72

Finding the Fourth Proportional to 8,220,452.24, 12,333,416.78 and 2,756,087.72

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Solution

The fourth proportional to 8,220,452.24, 12,333,416.78 and 2,756,087.72 is: 4,135,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,452.24 : 12,333,416.78 = 2,756,087.72 : x
  2. Step 2: Convert to fraction form
    8,220,452.24/12,333,416.78 = 2,756,087.72/x
  3. Step 3: Cross multiply
    8,220,452.24x = 12,333,416.78 × 2,756,087.72
  4. Step 4: Simplify right side
    8,220,452.24x = 33,991,978,478,223.08
  5. Step 5: Solve for x
    x = 33,991,978,478,223.08/8,220,452.24
  6. Step 6: Final answer
    x = 4,135,049.69

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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.