Home / 18,125,865.22-27,188,060.43-4,478,667.91

Finding the Fourth Proportional to 18,125,865.22, 27,188,060.43 and 4,478,667.91

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Solution

The fourth proportional to 18,125,865.22, 27,188,060.43 and 4,478,667.91 is: 6,717,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,865.22 : 27,188,060.43 = 4,478,667.91 : x
  2. Step 2: Convert to fraction form
    18,125,865.22/27,188,060.43 = 4,478,667.91/x
  3. Step 3: Cross multiply
    18,125,865.22x = 27,188,060.43 × 4,478,667.91
  4. Step 4: Simplify right side
    18,125,865.22x = 121,766,293,782,981.80
  5. Step 5: Solve for x
    x = 121,766,293,782,981.80/18,125,865.22
  6. Step 6: Final answer
    x = 6,717,819.66

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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.