Home / 10,120,957.92-15,179,745.60-4,439,656.80

Finding the Fourth Proportional to 10,120,957.92, 15,179,745.60 and 4,439,656.80

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Solution

The fourth proportional to 10,120,957.92, 15,179,745.60 and 4,439,656.80 is: 6,658,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,957.92 : 15,179,745.60 = 4,439,656.80 : x
  2. Step 2: Convert to fraction form
    10,120,957.92/15,179,745.60 = 4,439,656.80/x
  3. Step 3: Cross multiply
    10,120,957.92x = 15,179,745.60 × 4,439,656.80
  4. Step 4: Simplify right side
    10,120,957.92x = 67,392,860,775,310.08
  5. Step 5: Solve for x
    x = 67,392,860,775,310.08/10,120,957.92
  6. Step 6: Final answer
    x = 6,658,743.30

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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.