Home / 18,942,850.30-28,372,285.05-11,384,578.30

Finding the Fourth Proportional to 18,942,850.30, 28,372,285.05 and 11,384,578.30

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Solution

The fourth proportional to 18,942,850.30, 28,372,285.05 and 11,384,578.30 is: 17,051,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942,850.30 : 28,372,285.05 = 11,384,578.30 : x
  2. Step 2: Convert to fraction form
    18,942,850.30/28,372,285.05 = 11,384,578.30/x
  3. Step 3: Cross multiply
    18,942,850.30x = 28,372,285.05 × 11,384,578.30
  4. Step 4: Simplify right side
    18,942,850.30x = 323,006,500,701,644.44
  5. Step 5: Solve for x
    x = 323,006,500,701,644.44/18,942,850.30
  6. Step 6: Final answer
    x = 17,051,631.39

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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.