Home / 20,616,764.35-28,450,355.35-11,449,997.59

Finding the Fourth Proportional to 20,616,764.35, 28,450,355.35 and 11,449,997.59

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Solution

The fourth proportional to 20,616,764.35, 28,450,355.35 and 11,449,997.59 is: 15,800,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616,764.35 : 28,450,355.35 = 11,449,997.59 : x
  2. Step 2: Convert to fraction form
    20,616,764.35/28,450,355.35 = 11,449,997.59/x
  3. Step 3: Cross multiply
    20,616,764.35x = 28,450,355.35 × 11,449,997.59
  4. Step 4: Simplify right side
    20,616,764.35x = 325,756,499,992,641.88
  5. Step 5: Solve for x
    x = 325,756,499,992,641.88/20,616,764.35
  6. Step 6: Final answer
    x = 15,800,563.78

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1.5x scale

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.