Home / 36,328,439.78-50,145,395.22-21,648,709.34

Finding the Fourth Proportional to 36,328,439.78, 50,145,395.22 and 21,648,709.34

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Solution

The fourth proportional to 36,328,439.78, 50,145,395.22 and 21,648,709.34 is: 29,882,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,328,439.78 : 50,145,395.22 = 21,648,709.34 : x
  2. Step 2: Convert to fraction form
    36,328,439.78/50,145,395.22 = 21,648,709.34/x
  3. Step 3: Cross multiply
    36,328,439.78x = 50,145,395.22 × 21,648,709.34
  4. Step 4: Simplify right side
    36,328,439.78x = 1,085,583,085,857,205.38
  5. Step 5: Solve for x
    x = 1,085,583,085,857,205.38/36,328,439.78
  6. Step 6: Final answer
    x = 29,882,458.27

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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.