Home / 12,019,138.10-16,586,425.16-6,512,508.61

Finding the Fourth Proportional to 12,019,138.10, 16,586,425.16 and 6,512,508.61

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Solution

The fourth proportional to 12,019,138.10, 16,586,425.16 and 6,512,508.61 is: 8,987,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,138.10 : 16,586,425.16 = 6,512,508.61 : x
  2. Step 2: Convert to fraction form
    12,019,138.10/16,586,425.16 = 6,512,508.61/x
  3. Step 3: Cross multiply
    12,019,138.10x = 16,586,425.16 × 6,512,508.61
  4. Step 4: Simplify right side
    12,019,138.10x = 108,019,236,614,013.92
  5. Step 5: Solve for x
    x = 108,019,236,614,013.92/12,019,138.10
  6. Step 6: Final answer
    x = 8,987,269.78

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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.