Home / 20,096,411.97-30,146,416.11-7,800,087

Finding the Fourth Proportional to 20,096,411.97, 30,146,416.11 and 7,800,087

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Solution

The fourth proportional to 20,096,411.97, 30,146,416.11 and 7,800,087 is: 11,700,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096,411.97 : 30,146,416.11 = 7,800,087 : x
  2. Step 2: Convert to fraction form
    20,096,411.97/30,146,416.11 = 7,800,087/x
  3. Step 3: Cross multiply
    20,096,411.97x = 30,146,416.11 × 7,800,087
  4. Step 4: Simplify right side
    20,096,411.97x = 235,144,668,396,201.56
  5. Step 5: Solve for x
    x = 235,144,668,396,201.56/20,096,411.97
  6. Step 6: Final answer
    x = 11,700,828.42

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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.