Home / 35,813,942.72-49,420,876.32-20,135,384

Finding the Fourth Proportional to 35,813,942.72, 49,420,876.32 and 20,135,384

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Solution

The fourth proportional to 35,813,942.72, 49,420,876.32 and 20,135,384 is: 27,785,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813,942.72 : 49,420,876.32 = 20,135,384 : x
  2. Step 2: Convert to fraction form
    35,813,942.72/49,420,876.32 = 20,135,384/x
  3. Step 3: Cross multiply
    35,813,942.72x = 49,420,876.32 × 20,135,384
  4. Step 4: Simplify right side
    35,813,942.72x = 995,108,322,319,706.88
  5. Step 5: Solve for x
    x = 995,108,322,319,706.88/35,813,942.72
  6. Step 6: Final answer
    x = 27,785,500.47

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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.