Home / 18,961,760.48-26,157,589.30-11,517,441.50

Finding the Fourth Proportional to 18,961,760.48, 26,157,589.30 and 11,517,441.50

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Solution

The fourth proportional to 18,961,760.48, 26,157,589.30 and 11,517,441.50 is: 15,888,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961,760.48 : 26,157,589.30 = 11,517,441.50 : x
  2. Step 2: Convert to fraction form
    18,961,760.48/26,157,589.30 = 11,517,441.50/x
  3. Step 3: Cross multiply
    18,961,760.48x = 26,157,589.30 × 11,517,441.50
  4. Step 4: Simplify right side
    18,961,760.48x = 301,268,504,623,566.69
  5. Step 5: Solve for x
    x = 301,268,504,623,566.69/18,961,760.48
  6. Step 6: Final answer
    x = 15,888,213.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.