Home / 27,383,766.80-41,015,105.73-18,727,352.82

Finding the Fourth Proportional to 27,383,766.80, 41,015,105.73 and 18,727,352.82

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Solution

The fourth proportional to 27,383,766.80, 41,015,105.73 and 18,727,352.82 is: 28,049,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383,766.80 : 41,015,105.73 = 18,727,352.82 : x
  2. Step 2: Convert to fraction form
    27,383,766.80/41,015,105.73 = 18,727,352.82/x
  3. Step 3: Cross multiply
    27,383,766.80x = 41,015,105.73 × 18,727,352.82
  4. Step 4: Simplify right side
    27,383,766.80x = 768,104,355,955,313.62
  5. Step 5: Solve for x
    x = 768,104,355,955,313.62/27,383,766.80
  6. Step 6: Final answer
    x = 28,049,623.77

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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.