Home / 27,383,778.84-41,015,123.73-18,727,364.82

Finding the Fourth Proportional to 27,383,778.84, 41,015,123.73 and 18,727,364.82

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Solution

The fourth proportional to 27,383,778.84, 41,015,123.73 and 18,727,364.82 is: 28,049,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383,778.84 : 41,015,123.73 = 18,727,364.82 : x
  2. Step 2: Convert to fraction form
    27,383,778.84/41,015,123.73 = 18,727,364.82/x
  3. Step 3: Cross multiply
    27,383,778.84x = 41,015,123.73 × 18,727,364.82
  4. Step 4: Simplify right side
    27,383,778.84x = 768,105,185,229,149.12
  5. Step 5: Solve for x
    x = 768,105,185,229,149.12/27,383,778.84
  6. Step 6: Final answer
    x = 28,049,641.71

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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.