Home / 30,383,830.88-41,929,683.24-16,445,183.60

Finding the Fourth Proportional to 30,383,830.88, 41,929,683.24 and 16,445,183.60

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Solution

The fourth proportional to 30,383,830.88, 41,929,683.24 and 16,445,183.60 is: 22,694,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383,830.88 : 41,929,683.24 = 16,445,183.60 : x
  2. Step 2: Convert to fraction form
    30,383,830.88/41,929,683.24 = 16,445,183.60/x
  3. Step 3: Cross multiply
    30,383,830.88x = 41,929,683.24 × 16,445,183.60
  4. Step 4: Simplify right side
    30,383,830.88x = 689,541,339,171,642.88
  5. Step 5: Solve for x
    x = 689,541,339,171,642.88/30,383,830.88
  6. Step 6: Final answer
    x = 22,694,351.54

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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.