Home / 18,711,119.52-25,821,768.60-10,981,736.64

Finding the Fourth Proportional to 18,711,119.52, 25,821,768.60 and 10,981,736.64

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Solution

The fourth proportional to 18,711,119.52, 25,821,768.60 and 10,981,736.64 is: 15,155,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,119.52 : 25,821,768.60 = 10,981,736.64 : x
  2. Step 2: Convert to fraction form
    18,711,119.52/25,821,768.60 = 10,981,736.64/x
  3. Step 3: Cross multiply
    18,711,119.52x = 25,821,768.60 × 10,981,736.64
  4. Step 4: Simplify right side
    18,711,119.52x = 283,567,862,344,221.56
  5. Step 5: Solve for x
    x = 283,567,862,344,221.56/18,711,119.52
  6. Step 6: Final answer
    x = 15,155,045.21

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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.