Home / 8,478,872.22-12,716,397.85-2,413,469.51

Finding the Fourth Proportional to 8,478,872.22, 12,716,397.85 and 2,413,469.51

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Solution

The fourth proportional to 8,478,872.22, 12,716,397.85 and 2,413,469.51 is: 3,619,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,872.22 : 12,716,397.85 = 2,413,469.51 : x
  2. Step 2: Convert to fraction form
    8,478,872.22/12,716,397.85 = 2,413,469.51/x
  3. Step 3: Cross multiply
    8,478,872.22x = 12,716,397.85 × 2,413,469.51
  4. Step 4: Simplify right side
    8,478,872.22x = 30,690,638,488,004.55
  5. Step 5: Solve for x
    x = 30,690,638,488,004.55/8,478,872.22
  6. Step 6: Final answer
    x = 3,619,660.46

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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.