Home / 20,538,163.58-30,762,954.39-19,330,845.62

Finding the Fourth Proportional to 20,538,163.58, 30,762,954.39 and 19,330,845.62

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Solution

The fourth proportional to 20,538,163.58, 30,762,954.39 and 19,330,845.62 is: 28,954,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538,163.58 : 30,762,954.39 = 19,330,845.62 : x
  2. Step 2: Convert to fraction form
    20,538,163.58/30,762,954.39 = 19,330,845.62/x
  3. Step 3: Cross multiply
    20,538,163.58x = 30,762,954.39 × 19,330,845.62
  4. Step 4: Simplify right side
    20,538,163.58x = 594,673,922,128,191.38
  5. Step 5: Solve for x
    x = 594,673,922,128,191.38/20,538,163.58
  6. Step 6: Final answer
    x = 28,954,581.06

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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.