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Finding the Fourth Proportional to 18,498,495.16, 27,735,131.04 and 9,383,015.61

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Solution

The fourth proportional to 18,498,495.16, 27,735,131.04 and 9,383,015.61 is: 14,068,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498,495.16 : 27,735,131.04 = 9,383,015.61 : x
  2. Step 2: Convert to fraction form
    18,498,495.16/27,735,131.04 = 9,383,015.61/x
  3. Step 3: Cross multiply
    18,498,495.16x = 27,735,131.04 × 9,383,015.61
  4. Step 4: Simplify right side
    18,498,495.16x = 260,239,167,493,715.50
  5. Step 5: Solve for x
    x = 260,239,167,493,715.50/18,498,495.16
  6. Step 6: Final answer
    x = 14,068,126.37

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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.