Home / 38,926,591.73-53,718,105.45-21,285,550.60

Finding the Fourth Proportional to 38,926,591.73, 53,718,105.45 and 21,285,550.60

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Solution

The fourth proportional to 38,926,591.73, 53,718,105.45 and 21,285,550.60 is: 29,373,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,926,591.73 : 53,718,105.45 = 21,285,550.60 : x
  2. Step 2: Convert to fraction form
    38,926,591.73/53,718,105.45 = 21,285,550.60/x
  3. Step 3: Cross multiply
    38,926,591.73x = 53,718,105.45 × 21,285,550.60
  4. Step 4: Simplify right side
    38,926,591.73x = 1,143,419,451,692,111
  5. Step 5: Solve for x
    x = 1,143,419,451,692,111/38,926,591.73
  6. Step 6: Final answer
    x = 29,373,736.59

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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.