Home / 6,321,527.76-8,723,707.92-3,420,918.48

Finding the Fourth Proportional to 6,321,527.76, 8,723,707.92 and 3,420,918.48

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Solution

The fourth proportional to 6,321,527.76, 8,723,707.92 and 3,420,918.48 is: 4,720,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,527.76 : 8,723,707.92 = 3,420,918.48 : x
  2. Step 2: Convert to fraction form
    6,321,527.76/8,723,707.92 = 3,420,918.48/x
  3. Step 3: Cross multiply
    6,321,527.76x = 8,723,707.92 × 3,420,918.48
  4. Step 4: Simplify right side
    6,321,527.76x = 29,843,093,637,650.36
  5. Step 5: Solve for x
    x = 29,843,093,637,650.36/6,321,527.76
  6. Step 6: Final answer
    x = 4,720,867.29

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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.