Home / 6,172,738.93-8,518,287.44-3,419,418.11

Finding the Fourth Proportional to 6,172,738.93, 8,518,287.44 and 3,419,418.11

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Solution

The fourth proportional to 6,172,738.93, 8,518,287.44 and 3,419,418.11 is: 4,718,745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,738.93 : 8,518,287.44 = 3,419,418.11 : x
  2. Step 2: Convert to fraction form
    6,172,738.93/8,518,287.44 = 3,419,418.11/x
  3. Step 3: Cross multiply
    6,172,738.93x = 8,518,287.44 × 3,419,418.11
  4. Step 4: Simplify right side
    6,172,738.93x = 29,127,586,321,424.45
  5. Step 5: Solve for x
    x = 29,127,586,321,424.45/6,172,738.93
  6. Step 6: Final answer
    x = 4,718,745.87

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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.