Home / 18,077,816.24-27,105,797.21-7,282,508.81

Finding the Fourth Proportional to 18,077,816.24, 27,105,797.21 and 7,282,508.81

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Solution

The fourth proportional to 18,077,816.24, 27,105,797.21 and 7,282,508.81 is: 10,919,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077,816.24 : 27,105,797.21 = 7,282,508.81 : x
  2. Step 2: Convert to fraction form
    18,077,816.24/27,105,797.21 = 7,282,508.81/x
  3. Step 3: Cross multiply
    18,077,816.24x = 27,105,797.21 × 7,282,508.81
  4. Step 4: Simplify right side
    18,077,816.24x = 197,398,206,983,898.41
  5. Step 5: Solve for x
    x = 197,398,206,983,898.41/18,077,816.24
  6. Step 6: Final answer
    x = 10,919,361.30

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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.