Home / 8,222,396.74-12,328,600.75-4,118,945.65

Finding the Fourth Proportional to 8,222,396.74, 12,328,600.75 and 4,118,945.65

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Solution

The fourth proportional to 8,222,396.74, 12,328,600.75 and 4,118,945.65 is: 6,175,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222,396.74 : 12,328,600.75 = 4,118,945.65 : x
  2. Step 2: Convert to fraction form
    8,222,396.74/12,328,600.75 = 4,118,945.65/x
  3. Step 3: Cross multiply
    8,222,396.74x = 12,328,600.75 × 4,118,945.65
  4. Step 4: Simplify right side
    8,222,396.74x = 50,780,836,388,680.38
  5. Step 5: Solve for x
    x = 50,780,836,388,680.38/8,222,396.74
  6. Step 6: Final answer
    x = 6,175,916.59

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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.