Home / 38,142,122.54-52,635,757.97-20,738,467.72

Finding the Fourth Proportional to 38,142,122.54, 52,635,757.97 and 20,738,467.72

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Solution

The fourth proportional to 38,142,122.54, 52,635,757.97 and 20,738,467.72 is: 28,618,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142,122.54 : 52,635,757.97 = 20,738,467.72 : x
  2. Step 2: Convert to fraction form
    38,142,122.54/52,635,757.97 = 20,738,467.72/x
  3. Step 3: Cross multiply
    38,142,122.54x = 52,635,757.97 × 20,738,467.72
  4. Step 4: Simplify right side
    38,142,122.54x = 1,091,584,967,211,706.62
  5. Step 5: Solve for x
    x = 1,091,584,967,211,706.62/38,142,122.54
  6. Step 6: Final answer
    x = 28,618,883.65

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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.