Home / 20,778,194.62-28,673,359.59-11,610,912.70

Finding the Fourth Proportional to 20,778,194.62, 28,673,359.59 and 11,610,912.70

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Solution

The fourth proportional to 20,778,194.62, 28,673,359.59 and 11,610,912.70 is: 16,022,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,778,194.62 : 28,673,359.59 = 11,610,912.70 : x
  2. Step 2: Convert to fraction form
    20,778,194.62/28,673,359.59 = 11,610,912.70/x
  3. Step 3: Cross multiply
    20,778,194.62x = 28,673,359.59 × 11,610,912.70
  4. Step 4: Simplify right side
    20,778,194.62x = 332,923,875,015,197.75
  5. Step 5: Solve for x
    x = 332,923,875,015,197.75/20,778,194.62
  6. Step 6: Final answer
    x = 16,022,752.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.