Home / 20,285,913.84-30,419,238.24-11,768,861.04

Finding the Fourth Proportional to 20,285,913.84, 30,419,238.24 and 11,768,861.04

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Solution

The fourth proportional to 20,285,913.84, 30,419,238.24 and 11,768,861.04 is: 17,647,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285,913.84 : 30,419,238.24 = 11,768,861.04 : x
  2. Step 2: Convert to fraction form
    20,285,913.84/30,419,238.24 = 11,768,861.04/x
  3. Step 3: Cross multiply
    20,285,913.84x = 30,419,238.24 × 11,768,861.04
  4. Step 4: Simplify right side
    20,285,913.84x = 357,999,787,789,214.12
  5. Step 5: Solve for x
    x = 357,999,787,789,214.12/20,285,913.84
  6. Step 6: Final answer
    x = 17,647,703.26

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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.