Home / 26,419,936.20-39,629,904.30-19,216,249.80

Finding the Fourth Proportional to 26,419,936.20, 39,629,904.30 and 19,216,249.80

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Solution

The fourth proportional to 26,419,936.20, 39,629,904.30 and 19,216,249.80 is: 28,824,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419,936.20 : 39,629,904.30 = 19,216,249.80 : x
  2. Step 2: Convert to fraction form
    26,419,936.20/39,629,904.30 = 19,216,249.80/x
  3. Step 3: Cross multiply
    26,419,936.20x = 39,629,904.30 × 19,216,249.80
  4. Step 4: Simplify right side
    26,419,936.20x = 761,538,140,578,894.12
  5. Step 5: Solve for x
    x = 761,538,140,578,894.12/26,419,936.20
  6. Step 6: Final answer
    x = 28,824,374.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.