Home / 38,122,305.58-52,609,188-20,718,651.70

Finding the Fourth Proportional to 38,122,305.58, 52,609,188 and 20,718,651.70

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Solution

The fourth proportional to 38,122,305.58, 52,609,188 and 20,718,651.70 is: 28,591,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122,305.58 : 52,609,188 = 20,718,651.70 : x
  2. Step 2: Convert to fraction form
    38,122,305.58/52,609,188 = 20,718,651.70/x
  3. Step 3: Cross multiply
    38,122,305.58x = 52,609,188 × 20,718,651.70
  4. Step 4: Simplify right side
    38,122,305.58x = 1,089,991,442,391,819.50
  5. Step 5: Solve for x
    x = 1,089,991,442,391,819.50/38,122,305.58
  6. Step 6: Final answer
    x = 28,591,960.16

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Double scale
Find fourth proportional to 38,122,306.58, 52,609,189.38 and 20,718,652.70
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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.