Home / 18,203,576.88-27,300,640.32-7,273,311.60

Finding the Fourth Proportional to 18,203,576.88, 27,300,640.32 and 7,273,311.60

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Solution

The fourth proportional to 18,203,576.88, 27,300,640.32 and 7,273,311.60 is: 10,908,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,576.88 : 27,300,640.32 = 7,273,311.60 : x
  2. Step 2: Convert to fraction form
    18,203,576.88/27,300,640.32 = 7,273,311.60/x
  3. Step 3: Cross multiply
    18,203,576.88x = 27,300,640.32 × 7,273,311.60
  4. Step 4: Simplify right side
    18,203,576.88x = 198,566,063,926,883.72
  5. Step 5: Solve for x
    x = 198,566,063,926,883.72/18,203,576.88
  6. Step 6: Final answer
    x = 10,908,079.51

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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.