Home / 38,180,190.21-52,689,771.23-20,777,657.73

Finding the Fourth Proportional to 38,180,190.21, 52,689,771.23 and 20,777,657.73

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Solution

The fourth proportional to 38,180,190.21, 52,689,771.23 and 20,777,657.73 is: 28,673,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180,190.21 : 52,689,771.23 = 20,777,657.73 : x
  2. Step 2: Convert to fraction form
    38,180,190.21/52,689,771.23 = 20,777,657.73/x
  3. Step 3: Cross multiply
    38,180,190.21x = 52,689,771.23 × 20,777,657.73
  4. Step 4: Simplify right side
    38,180,190.21x = 1,094,770,032,385,052.88
  5. Step 5: Solve for x
    x = 1,094,770,032,385,052.88/38,180,190.21
  6. Step 6: Final answer
    x = 28,673,771.04

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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.