Home / 19,383,180.80-29,043,278.40-16,170,915.20

Finding the Fourth Proportional to 19,383,180.80, 29,043,278.40 and 16,170,915.20

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Solution

The fourth proportional to 19,383,180.80, 29,043,278.40 and 16,170,915.20 is: 24,230,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383,180.80 : 29,043,278.40 = 16,170,915.20 : x
  2. Step 2: Convert to fraction form
    19,383,180.80/29,043,278.40 = 16,170,915.20/x
  3. Step 3: Cross multiply
    19,383,180.80x = 29,043,278.40 × 16,170,915.20
  4. Step 4: Simplify right side
    19,383,180.80x = 469,656,392,136,391.62
  5. Step 5: Solve for x
    x = 469,656,392,136,391.62/19,383,180.80
  6. Step 6: Final answer
    x = 24,230,099.12

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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.