Home / 18,104,305.80-27,183,033.16-11,309,831.40

Finding the Fourth Proportional to 18,104,305.80, 27,183,033.16 and 11,309,831.40

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Solution

The fourth proportional to 18,104,305.80, 27,183,033.16 and 11,309,831.40 is: 16,981,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,305.80 : 27,183,033.16 = 11,309,831.40 : x
  2. Step 2: Convert to fraction form
    18,104,305.80/27,183,033.16 = 11,309,831.40/x
  3. Step 3: Cross multiply
    18,104,305.80x = 27,183,033.16 × 11,309,831.40
  4. Step 4: Simplify right side
    18,104,305.80x = 307,435,521,980,209.25
  5. Step 5: Solve for x
    x = 307,435,521,980,209.25/18,104,305.80
  6. Step 6: Final answer
    x = 16,981,348.27

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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.