Home / 18,116,778.11-27,192,193.12-9,487,072.64

Finding the Fourth Proportional to 18,116,778.11, 27,192,193.12 and 9,487,072.64

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Solution

The fourth proportional to 18,116,778.11, 27,192,193.12 and 9,487,072.64 is: 14,239,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116,778.11 : 27,192,193.12 = 9,487,072.64 : x
  2. Step 2: Convert to fraction form
    18,116,778.11/27,192,193.12 = 9,487,072.64/x
  3. Step 3: Cross multiply
    18,116,778.11x = 27,192,193.12 × 9,487,072.64
  4. Step 4: Simplify right side
    18,116,778.11x = 257,974,311,186,951.88
  5. Step 5: Solve for x
    x = 257,974,311,186,951.88/18,116,778.11
  6. Step 6: Final answer
    x = 14,239,524.80

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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.