Home / 9,491,709.78-13,099,709.97-5,361,915.06

Finding the Fourth Proportional to 9,491,709.78, 13,099,709.97 and 5,361,915.06

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Solution

The fourth proportional to 9,491,709.78, 13,099,709.97 and 5,361,915.06 is: 7,400,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491,709.78 : 13,099,709.97 = 5,361,915.06 : x
  2. Step 2: Convert to fraction form
    9,491,709.78/13,099,709.97 = 5,361,915.06/x
  3. Step 3: Cross multiply
    9,491,709.78x = 13,099,709.97 × 5,361,915.06
  4. Step 4: Simplify right side
    9,491,709.78x = 70,239,532,169,775.15
  5. Step 5: Solve for x
    x = 70,239,532,169,775.15/9,491,709.78
  6. Step 6: Final answer
    x = 7,400,092.69

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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.