Home / 20,426,940.05-30,640,147.63-6,786,358.61

Finding the Fourth Proportional to 20,426,940.05, 30,640,147.63 and 6,786,358.61

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Solution

The fourth proportional to 20,426,940.05, 30,640,147.63 and 6,786,358.61 is: 10,179,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,940.05 : 30,640,147.63 = 6,786,358.61 : x
  2. Step 2: Convert to fraction form
    20,426,940.05/30,640,147.63 = 6,786,358.61/x
  3. Step 3: Cross multiply
    20,426,940.05x = 30,640,147.63 × 6,786,358.61
  4. Step 4: Simplify right side
    20,426,940.05x = 207,935,029,510,354.97
  5. Step 5: Solve for x
    x = 207,935,029,510,354.97/20,426,940.05
  6. Step 6: Final answer
    x = 10,179,450.72

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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.