Home / 18,455,229.72-27,667,141.02-11,271,803.04

Finding the Fourth Proportional to 18,455,229.72, 27,667,141.02 and 11,271,803.04

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Solution

The fourth proportional to 18,455,229.72, 27,667,141.02 and 11,271,803.04 is: 16,898,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,229.72 : 27,667,141.02 = 11,271,803.04 : x
  2. Step 2: Convert to fraction form
    18,455,229.72/27,667,141.02 = 11,271,803.04/x
  3. Step 3: Cross multiply
    18,455,229.72x = 27,667,141.02 × 11,271,803.04
  4. Step 4: Simplify right side
    18,455,229.72x = 311,858,564,257,344.69
  5. Step 5: Solve for x
    x = 311,858,564,257,344.69/18,455,229.72
  6. Step 6: Final answer
    x = 16,898,113.38

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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.