Home / 10,656,212.88-15,981,658.32-4,180,608

Finding the Fourth Proportional to 10,656,212.88, 15,981,658.32 and 4,180,608

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Solution

The fourth proportional to 10,656,212.88, 15,981,658.32 and 4,180,608 is: 6,269,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,212.88 : 15,981,658.32 = 4,180,608 : x
  2. Step 2: Convert to fraction form
    10,656,212.88/15,981,658.32 = 4,180,608/x
  3. Step 3: Cross multiply
    10,656,212.88x = 15,981,658.32 × 4,180,608
  4. Step 4: Simplify right side
    10,656,212.88x = 66,813,048,625,858.56
  5. Step 5: Solve for x
    x = 66,813,048,625,858.56/10,656,212.88
  6. Step 6: Final answer
    x = 6,269,868.05

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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.