Home / 9,267,129.20-13,890,556.20-3,280,415.60

Finding the Fourth Proportional to 9,267,129.20, 13,890,556.20 and 3,280,415.60

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Solution

The fourth proportional to 9,267,129.20, 13,890,556.20 and 3,280,415.60 is: 4,917,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267,129.20 : 13,890,556.20 = 3,280,415.60 : x
  2. Step 2: Convert to fraction form
    9,267,129.20/13,890,556.20 = 3,280,415.60/x
  3. Step 3: Cross multiply
    9,267,129.20x = 13,890,556.20 × 3,280,415.60
  4. Step 4: Simplify right side
    9,267,129.20x = 45,566,797,251,156.72
  5. Step 5: Solve for x
    x = 45,566,797,251,156.72/9,267,129.20
  6. Step 6: Final answer
    x = 4,917,034.85

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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.