Home / 6,722,208.27-10,078,143.78-3,480,270.54

Finding the Fourth Proportional to 6,722,208.27, 10,078,143.78 and 3,480,270.54

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Solution

The fourth proportional to 6,722,208.27, 10,078,143.78 and 3,480,270.54 is: 5,217,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722,208.27 : 10,078,143.78 = 3,480,270.54 : x
  2. Step 2: Convert to fraction form
    6,722,208.27/10,078,143.78 = 3,480,270.54/x
  3. Step 3: Cross multiply
    6,722,208.27x = 10,078,143.78 × 3,480,270.54
  4. Step 4: Simplify right side
    6,722,208.27x = 35,074,666,895,418.24
  5. Step 5: Solve for x
    x = 35,074,666,895,418.24/6,722,208.27
  6. Step 6: Final answer
    x = 5,217,729.87

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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.