Home / 5,320,911.40-7,981,367.10-5,236,930.60

Finding the Fourth Proportional to 5,320,911.40, 7,981,367.10 and 5,236,930.60

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Solution

The fourth proportional to 5,320,911.40, 7,981,367.10 and 5,236,930.60 is: 7,855,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,911.40 : 7,981,367.10 = 5,236,930.60 : x
  2. Step 2: Convert to fraction form
    5,320,911.40/7,981,367.10 = 5,236,930.60/x
  3. Step 3: Cross multiply
    5,320,911.40x = 7,981,367.10 × 5,236,930.60
  4. Step 4: Simplify right side
    5,320,911.40x = 41,797,865,595,823.26
  5. Step 5: Solve for x
    x = 41,797,865,595,823.26/5,320,911.40
  6. Step 6: Final answer
    x = 7,855,395.90

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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.