Home / 18,155,216.70-27,204,831.45-15,747,767.10

Finding the Fourth Proportional to 18,155,216.70, 27,204,831.45 and 15,747,767.10

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Solution

The fourth proportional to 18,155,216.70, 27,204,831.45 and 15,747,767.10 is: 23,597,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,216.70 : 27,204,831.45 = 15,747,767.10 : x
  2. Step 2: Convert to fraction form
    18,155,216.70/27,204,831.45 = 15,747,767.10/x
  3. Step 3: Cross multiply
    18,155,216.70x = 27,204,831.45 × 15,747,767.10
  4. Step 4: Simplify right side
    18,155,216.70x = 428,415,349,669,355.25
  5. Step 5: Solve for x
    x = 428,415,349,669,355.25/18,155,216.70
  6. Step 6: Final answer
    x = 23,597,369.11

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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.