Home / 18,005,687.44-27,008,550.63-8,427,792.02

Finding the Fourth Proportional to 18,005,687.44, 27,008,550.63 and 8,427,792.02

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Solution

The fourth proportional to 18,005,687.44, 27,008,550.63 and 8,427,792.02 is: 12,641,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005,687.44 : 27,008,550.63 = 8,427,792.02 : x
  2. Step 2: Convert to fraction form
    18,005,687.44/27,008,550.63 = 8,427,792.02/x
  3. Step 3: Cross multiply
    18,005,687.44x = 27,008,550.63 × 8,427,792.02
  4. Step 4: Simplify right side
    18,005,687.44x = 227,622,447,336,237.22
  5. Step 5: Solve for x
    x = 227,622,447,336,237.22/18,005,687.44
  6. Step 6: Final answer
    x = 12,641,697.14

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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.