Home / 18,072,306.72-27,108,469.80-11,345,444.64

Finding the Fourth Proportional to 18,072,306.72, 27,108,469.80 and 11,345,444.64

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Solution

The fourth proportional to 18,072,306.72, 27,108,469.80 and 11,345,444.64 is: 17,018,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072,306.72 : 27,108,469.80 = 11,345,444.64 : x
  2. Step 2: Convert to fraction form
    18,072,306.72/27,108,469.80 = 11,345,444.64/x
  3. Step 3: Cross multiply
    18,072,306.72x = 27,108,469.80 × 11,345,444.64
  4. Step 4: Simplify right side
    18,072,306.72x = 307,557,643,391,011.88
  5. Step 5: Solve for x
    x = 307,557,643,391,011.88/18,072,306.72
  6. Step 6: Final answer
    x = 17,018,173.06

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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.