Home / 11,181,985.20-16,772,977.80-3,993,753.60

Finding the Fourth Proportional to 11,181,985.20, 16,772,977.80 and 3,993,753.60

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Solution

The fourth proportional to 11,181,985.20, 16,772,977.80 and 3,993,753.60 is: 5,990,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181,985.20 : 16,772,977.80 = 3,993,753.60 : x
  2. Step 2: Convert to fraction form
    11,181,985.20/16,772,977.80 = 3,993,753.60/x
  3. Step 3: Cross multiply
    11,181,985.20x = 16,772,977.80 × 3,993,753.60
  4. Step 4: Simplify right side
    11,181,985.20x = 66,987,140,471,470.09
  5. Step 5: Solve for x
    x = 66,987,140,471,470.09/11,181,985.20
  6. Step 6: Final answer
    x = 5,990,630.40

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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.