Home / 20,551,517.64-30,827,188.44-5,198,952.60

Finding the Fourth Proportional to 20,551,517.64, 30,827,188.44 and 5,198,952.60

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Solution

The fourth proportional to 20,551,517.64, 30,827,188.44 and 5,198,952.60 is: 7,798,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551,517.64 : 30,827,188.44 = 5,198,952.60 : x
  2. Step 2: Convert to fraction form
    20,551,517.64/30,827,188.44 = 5,198,952.60/x
  3. Step 3: Cross multiply
    20,551,517.64x = 30,827,188.44 × 5,198,952.60
  4. Step 4: Simplify right side
    20,551,517.64x = 160,269,091,490,827.94
  5. Step 5: Solve for x
    x = 160,269,091,490,827.94/20,551,517.64
  6. Step 6: Final answer
    x = 7,798,406.63

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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.