Home / 15,751,512-21,737,095.20-8,508,168

Finding the Fourth Proportional to 15,751,512, 21,737,095.20 and 8,508,168

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Solution

The fourth proportional to 15,751,512, 21,737,095.20 and 8,508,168 is: 11,741,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751,512 : 21,737,095.20 = 8,508,168 : x
  2. Step 2: Convert to fraction form
    15,751,512/21,737,095.20 = 8,508,168/x
  3. Step 3: Cross multiply
    15,751,512x = 21,737,095.20 × 8,508,168
  4. Step 4: Simplify right side
    15,751,512x = 184,942,857,793,593.59
  5. Step 5: Solve for x
    x = 184,942,857,793,593.59/15,751,512
  6. Step 6: Final answer
    x = 11,741,276.51

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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.