Home / 9,981,915.10-13,775,084.36-5,398,236.48

Finding the Fourth Proportional to 9,981,915.10, 13,775,084.36 and 5,398,236.48

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Solution

The fourth proportional to 9,981,915.10, 13,775,084.36 and 5,398,236.48 is: 7,449,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,915.10 : 13,775,084.36 = 5,398,236.48 : x
  2. Step 2: Convert to fraction form
    9,981,915.10/13,775,084.36 = 5,398,236.48/x
  3. Step 3: Cross multiply
    9,981,915.10x = 13,775,084.36 × 5,398,236.48
  4. Step 4: Simplify right side
    9,981,915.10x = 74,361,162,907,229.45
  5. Step 5: Solve for x
    x = 74,361,162,907,229.45/9,981,915.10
  6. Step 6: Final answer
    x = 7,449,588.80

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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.