Home / 6,462,474.43-8,918,170.05-3,561,866.86

Finding the Fourth Proportional to 6,462,474.43, 8,918,170.05 and 3,561,866.86

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Solution

The fourth proportional to 6,462,474.43, 8,918,170.05 and 3,561,866.86 is: 4,915,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462,474.43 : 8,918,170.05 = 3,561,866.86 : x
  2. Step 2: Convert to fraction form
    6,462,474.43/8,918,170.05 = 3,561,866.86/x
  3. Step 3: Cross multiply
    6,462,474.43x = 8,918,170.05 × 3,561,866.86
  4. Step 4: Simplify right side
    6,462,474.43x = 31,765,334,352,939.54
  5. Step 5: Solve for x
    x = 31,765,334,352,939.54/6,462,474.43
  6. Step 6: Final answer
    x = 4,915,351.65

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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.