Home / 10,122,930.94-15,185,971.05-3,297,915.27

Finding the Fourth Proportional to 10,122,930.94, 15,185,971.05 and 3,297,915.27

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Solution

The fourth proportional to 10,122,930.94, 15,185,971.05 and 3,297,915.27 is: 4,947,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,930.94 : 15,185,971.05 = 3,297,915.27 : x
  2. Step 2: Convert to fraction form
    10,122,930.94/15,185,971.05 = 3,297,915.27/x
  3. Step 3: Cross multiply
    10,122,930.94x = 15,185,971.05 × 3,297,915.27
  4. Step 4: Simplify right side
    10,122,930.94x = 50,082,045,853,537.86
  5. Step 5: Solve for x
    x = 50,082,045,853,537.86/10,122,930.94
  6. Step 6: Final answer
    x = 4,947,385.91

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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.