Home / 38,122,304.58-52,609,186.62-20,718,650.70

Finding the Fourth Proportional to 38,122,304.58, 52,609,186.62 and 20,718,650.70

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Solution

The fourth proportional to 38,122,304.58, 52,609,186.62 and 20,718,650.70 is: 28,591,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122,304.58 : 52,609,186.62 = 20,718,650.70 : x
  2. Step 2: Convert to fraction form
    38,122,304.58/52,609,186.62 = 20,718,650.70/x
  3. Step 3: Cross multiply
    38,122,304.58x = 52,609,186.62 × 20,718,650.70
  4. Step 4: Simplify right side
    38,122,304.58x = 1,089,991,361,190,893.50
  5. Step 5: Solve for x
    x = 1,089,991,361,190,893.50/38,122,304.58
  6. Step 6: Final answer
    x = 28,591,958.78

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Double scale
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1.5x scale

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.