Home / 18,072,270.72-27,108,415.80-11,345,408.64

Finding the Fourth Proportional to 18,072,270.72, 27,108,415.80 and 11,345,408.64

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Solution

The fourth proportional to 18,072,270.72, 27,108,415.80 and 11,345,408.64 is: 17,018,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072,270.72 : 27,108,415.80 = 11,345,408.64 : x
  2. Step 2: Convert to fraction form
    18,072,270.72/27,108,415.80 = 11,345,408.64/x
  3. Step 3: Cross multiply
    18,072,270.72x = 27,108,415.80 × 11,345,408.64
  4. Step 4: Simplify right side
    18,072,270.72x = 307,556,054,834,032.56
  5. Step 5: Solve for x
    x = 307,556,054,834,032.56/18,072,270.72
  6. Step 6: Final answer
    x = 17,018,119.06

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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.