Home / 20,426,974.92-30,640,199.94-6,786,393.48

Finding the Fourth Proportional to 20,426,974.92, 30,640,199.94 and 6,786,393.48

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Solution

The fourth proportional to 20,426,974.92, 30,640,199.94 and 6,786,393.48 is: 10,179,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,974.92 : 30,640,199.94 = 6,786,393.48 : x
  2. Step 2: Convert to fraction form
    20,426,974.92/30,640,199.94 = 6,786,393.48/x
  3. Step 3: Cross multiply
    20,426,974.92x = 30,640,199.94 × 6,786,393.48
  4. Step 4: Simplify right side
    20,426,974.92x = 207,936,453,098,712.41
  5. Step 5: Solve for x
    x = 207,936,453,098,712.41/20,426,974.92
  6. Step 6: Final answer
    x = 10,179,503.03

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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.