Home / 38,238,436.80-52,768,375.68-20,834,926.08

Finding the Fourth Proportional to 38,238,436.80, 52,768,375.68 and 20,834,926.08

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Solution

The fourth proportional to 38,238,436.80, 52,768,375.68 and 20,834,926.08 is: 28,751,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,436.80 : 52,768,375.68 = 20,834,926.08 : x
  2. Step 2: Convert to fraction form
    38,238,436.80/52,768,375.68 = 20,834,926.08/x
  3. Step 3: Cross multiply
    38,238,436.80x = 52,768,375.68 × 20,834,926.08
  4. Step 4: Simplify right side
    38,238,436.80x = 1,099,425,206,654,469.62
  5. Step 5: Solve for x
    x = 1,099,425,206,654,469.62/38,238,436.80
  6. Step 6: Final answer
    x = 28,751,834.51

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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.