Home / 12,049,576.89-16,627,817.38-6,821,772.09

Finding the Fourth Proportional to 12,049,576.89, 16,627,817.38 and 6,821,772.09

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Solution

The fourth proportional to 12,049,576.89, 16,627,817.38 and 6,821,772.09 is: 9,413,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049,576.89 : 16,627,817.38 = 6,821,772.09 : x
  2. Step 2: Convert to fraction form
    12,049,576.89/16,627,817.38 = 6,821,772.09/x
  3. Step 3: Cross multiply
    12,049,576.89x = 16,627,817.38 × 6,821,772.09
  4. Step 4: Simplify right side
    12,049,576.89x = 113,431,180,520,500.92
  5. Step 5: Solve for x
    x = 113,431,180,520,500.92/12,049,576.89
  6. Step 6: Final answer
    x = 9,413,706.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.