Home / 11,143,855.26-15,381,785.79-7,276,976.82

Finding the Fourth Proportional to 11,143,855.26, 15,381,785.79 and 7,276,976.82

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Solution

The fourth proportional to 11,143,855.26, 15,381,785.79 and 7,276,976.82 is: 10,044,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143,855.26 : 15,381,785.79 = 7,276,976.82 : x
  2. Step 2: Convert to fraction form
    11,143,855.26/15,381,785.79 = 7,276,976.82/x
  3. Step 3: Cross multiply
    11,143,855.26x = 15,381,785.79 × 7,276,976.82
  4. Step 4: Simplify right side
    11,143,855.26x = 111,932,898,644,035.39
  5. Step 5: Solve for x
    x = 111,932,898,644,035.39/11,143,855.26
  6. Step 6: Final answer
    x = 10,044,360.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.