Home / 38,275,839.82-52,821,934.50-20,873,137.24

Finding the Fourth Proportional to 38,275,839.82, 52,821,934.50 and 20,873,137.24

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Solution

The fourth proportional to 38,275,839.82, 52,821,934.50 and 20,873,137.24 is: 28,805,624.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275,839.82 : 52,821,934.50 = 20,873,137.24 : x
  2. Step 2: Convert to fraction form
    38,275,839.82/52,821,934.50 = 20,873,137.24/x
  3. Step 3: Cross multiply
    38,275,839.82x = 52,821,934.50 × 20,873,137.24
  4. Step 4: Simplify right side
    38,275,839.82x = 1,102,559,488,100,790.75
  5. Step 5: Solve for x
    x = 1,102,559,488,100,790.75/38,275,839.82
  6. Step 6: Final answer
    x = 28,805,624.99

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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.