Home / 6,778,437.24-10,167,738.48-1,986,223.44

Finding the Fourth Proportional to 6,778,437.24, 10,167,738.48 and 1,986,223.44

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Solution

The fourth proportional to 6,778,437.24, 10,167,738.48 and 1,986,223.44 is: 2,979,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778,437.24 : 10,167,738.48 = 1,986,223.44 : x
  2. Step 2: Convert to fraction form
    6,778,437.24/10,167,738.48 = 1,986,223.44/x
  3. Step 3: Cross multiply
    6,778,437.24x = 10,167,738.48 × 1,986,223.44
  4. Step 4: Simplify right side
    6,778,437.24x = 20,195,400,500,765.97
  5. Step 5: Solve for x
    x = 20,195,400,500,765.97/6,778,437.24
  6. Step 6: Final answer
    x = 2,979,359.37

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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.