Home / 18,621,775.25-27,932,678.36-8,904,101.82

Finding the Fourth Proportional to 18,621,775.25, 27,932,678.36 and 8,904,101.82

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Solution

The fourth proportional to 18,621,775.25, 27,932,678.36 and 8,904,101.82 is: 13,356,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,775.25 : 27,932,678.36 = 8,904,101.82 : x
  2. Step 2: Convert to fraction form
    18,621,775.25/27,932,678.36 = 8,904,101.82/x
  3. Step 3: Cross multiply
    18,621,775.25x = 27,932,678.36 × 8,904,101.82
  4. Step 4: Simplify right side
    18,621,775.25x = 248,715,412,178,230.12
  5. Step 5: Solve for x
    x = 248,715,412,178,230.12/18,621,775.25
  6. Step 6: Final answer
    x = 13,356,160.14

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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.