Home / 7,161,443.28-9,882,917.73-3,898,351.80

Finding the Fourth Proportional to 7,161,443.28, 9,882,917.73 and 3,898,351.80

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Solution

The fourth proportional to 7,161,443.28, 9,882,917.73 and 3,898,351.80 is: 5,379,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,443.28 : 9,882,917.73 = 3,898,351.80 : x
  2. Step 2: Convert to fraction form
    7,161,443.28/9,882,917.73 = 3,898,351.80/x
  3. Step 3: Cross multiply
    7,161,443.28x = 9,882,917.73 × 3,898,351.80
  4. Step 4: Simplify right side
    7,161,443.28x = 38,527,090,121,997.41
  5. Step 5: Solve for x
    x = 38,527,090,121,997.41/7,161,443.28
  6. Step 6: Final answer
    x = 5,379,794.07

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