Home / 10,768,735.78-16,149,608.52-3,578,339.86

Finding the Fourth Proportional to 10,768,735.78, 16,149,608.52 and 3,578,339.86

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Solution

The fourth proportional to 10,768,735.78, 16,149,608.52 and 3,578,339.86 is: 5,366,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768,735.78 : 16,149,608.52 = 3,578,339.86 : x
  2. Step 2: Convert to fraction form
    10,768,735.78/16,149,608.52 = 3,578,339.86/x
  3. Step 3: Cross multiply
    10,768,735.78x = 16,149,608.52 × 3,578,339.86
  4. Step 4: Simplify right side
    10,768,735.78x = 57,788,787,890,511.60
  5. Step 5: Solve for x
    x = 57,788,787,890,511.60/10,768,735.78
  6. Step 6: Final answer
    x = 5,366,348.39

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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.