Home / 20,426,983.20-30,640,212.24-6,786,401.76

Finding the Fourth Proportional to 20,426,983.20, 30,640,212.24 and 6,786,401.76

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Solution

The fourth proportional to 20,426,983.20, 30,640,212.24 and 6,786,401.76 is: 10,179,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,983.20 : 30,640,212.24 = 6,786,401.76 : x
  2. Step 2: Convert to fraction form
    20,426,983.20/30,640,212.24 = 6,786,401.76/x
  3. Step 3: Cross multiply
    20,426,983.20x = 30,640,212.24 × 6,786,401.76
  4. Step 4: Simplify right side
    20,426,983.20x = 207,936,790,272,309.53
  5. Step 5: Solve for x
    x = 207,936,790,272,309.53/20,426,983.20
  6. Step 6: Final answer
    x = 10,179,515.41

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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.