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Finding the Fourth Proportional to 18,504,491.61, 27,747,745.05 and 9,278,500.59

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Solution

The fourth proportional to 18,504,491.61, 27,747,745.05 and 9,278,500.59 is: 13,913,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504,491.61 : 27,747,745.05 = 9,278,500.59 : x
  2. Step 2: Convert to fraction form
    18,504,491.61/27,747,745.05 = 9,278,500.59/x
  3. Step 3: Cross multiply
    18,504,491.61x = 27,747,745.05 × 9,278,500.59
  4. Step 4: Simplify right side
    18,504,491.61x = 257,457,468,852,388.97
  5. Step 5: Solve for x
    x = 257,457,468,852,388.97/18,504,491.61
  6. Step 6: Final answer
    x = 13,913,241.94

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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.