Home / 8,215,746.22-12,324,740.29-3,422,314.48

Finding the Fourth Proportional to 8,215,746.22, 12,324,740.29 and 3,422,314.48

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Solution

The fourth proportional to 8,215,746.22, 12,324,740.29 and 3,422,314.48 is: 5,133,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,746.22 : 12,324,740.29 = 3,422,314.48 : x
  2. Step 2: Convert to fraction form
    8,215,746.22/12,324,740.29 = 3,422,314.48/x
  3. Step 3: Cross multiply
    8,215,746.22x = 12,324,740.29 × 3,422,314.48
  4. Step 4: Simplify right side
    8,215,746.22x = 42,179,137,140,447.65
  5. Step 5: Solve for x
    x = 42,179,137,140,447.65/8,215,746.22
  6. Step 6: Final answer
    x = 5,133,938.66

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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.