Home / 19,890,992.95-27,433,194.01-11,734,357.75

Finding the Fourth Proportional to 19,890,992.95, 27,433,194.01 and 11,734,357.75

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Solution

The fourth proportional to 19,890,992.95, 27,433,194.01 and 11,734,357.75 is: 16,183,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,992.95 : 27,433,194.01 = 11,734,357.75 : x
  2. Step 2: Convert to fraction form
    19,890,992.95/27,433,194.01 = 11,734,357.75/x
  3. Step 3: Cross multiply
    19,890,992.95x = 27,433,194.01 × 11,734,357.75
  4. Step 4: Simplify right side
    19,890,992.95x = 321,910,912,738,497.12
  5. Step 5: Solve for x
    x = 321,910,912,738,497.12/19,890,992.95
  6. Step 6: Final answer
    x = 16,183,752.79

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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.