Home / 6,815,907.68-9,405,984.48-3,760,121.12

Finding the Fourth Proportional to 6,815,907.68, 9,405,984.48 and 3,760,121.12

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Solution

The fourth proportional to 6,815,907.68, 9,405,984.48 and 3,760,121.12 is: 5,188,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,907.68 : 9,405,984.48 = 3,760,121.12 : x
  2. Step 2: Convert to fraction form
    6,815,907.68/9,405,984.48 = 3,760,121.12/x
  3. Step 3: Cross multiply
    6,815,907.68x = 9,405,984.48 × 3,760,121.12
  4. Step 4: Simplify right side
    6,815,907.68x = 35,367,640,897,640.22
  5. Step 5: Solve for x
    x = 35,367,640,897,640.22/6,815,907.68
  6. Step 6: Final answer
    x = 5,188,984.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.