Home / 7,981,144.45-11,013,991.44-4,543,385.47

Finding the Fourth Proportional to 7,981,144.45, 11,013,991.44 and 4,543,385.47

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Solution

The fourth proportional to 7,981,144.45, 11,013,991.44 and 4,543,385.47 is: 6,269,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,144.45 : 11,013,991.44 = 4,543,385.47 : x
  2. Step 2: Convert to fraction form
    7,981,144.45/11,013,991.44 = 4,543,385.47/x
  3. Step 3: Cross multiply
    7,981,144.45x = 11,013,991.44 × 4,543,385.47
  4. Step 4: Simplify right side
    7,981,144.45x = 50,040,808,675,200.38
  5. Step 5: Solve for x
    x = 50,040,808,675,200.38/7,981,144.45
  6. Step 6: Final answer
    x = 6,269,878.84

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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.