Home / 20,539,930.35-30,760,993.26-11,885,787.35

Finding the Fourth Proportional to 20,539,930.35, 30,760,993.26 and 11,885,787.35

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Solution

The fourth proportional to 20,539,930.35, 30,760,993.26 and 11,885,787.35 is: 17,800,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539,930.35 : 30,760,993.26 = 11,885,787.35 : x
  2. Step 2: Convert to fraction form
    20,539,930.35/30,760,993.26 = 11,885,787.35/x
  3. Step 3: Cross multiply
    20,539,930.35x = 30,760,993.26 × 11,885,787.35
  4. Step 4: Simplify right side
    20,539,930.35x = 365,618,624,409,338.31
  5. Step 5: Solve for x
    x = 365,618,624,409,338.31/20,539,930.35
  6. Step 6: Final answer
    x = 17,800,382.87

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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.