Home / 11,240,431.53-15,512,078.94-6,891,915.54

Finding the Fourth Proportional to 11,240,431.53, 15,512,078.94 and 6,891,915.54

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Solution

The fourth proportional to 11,240,431.53, 15,512,078.94 and 6,891,915.54 is: 9,511,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240,431.53 : 15,512,078.94 = 6,891,915.54 : x
  2. Step 2: Convert to fraction form
    11,240,431.53/15,512,078.94 = 6,891,915.54/x
  3. Step 3: Cross multiply
    11,240,431.53x = 15,512,078.94 × 6,891,915.54
  4. Step 4: Simplify right side
    11,240,431.53x = 106,907,937,904,292.72
  5. Step 5: Solve for x
    x = 106,907,937,904,292.72/11,240,431.53
  6. Step 6: Final answer
    x = 9,511,017.23

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1.5x scale

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.