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Finding the Fourth Proportional to 16,831,201.20, 25,183,816.20 and 11,162,497.20

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Solution

The fourth proportional to 16,831,201.20, 25,183,816.20 and 11,162,497.20 is: 16,701,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831,201.20 : 25,183,816.20 = 11,162,497.20 : x
  2. Step 2: Convert to fraction form
    16,831,201.20/25,183,816.20 = 11,162,497.20/x
  3. Step 3: Cross multiply
    16,831,201.20x = 25,183,816.20 × 11,162,497.20
  4. Step 4: Simplify right side
    16,831,201.20x = 281,114,277,817,814.62
  5. Step 5: Solve for x
    x = 281,114,277,817,814.62/16,831,201.20
  6. Step 6: Final answer
    x = 16,701,973.58

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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.