Home / 20,620,201.60-30,922,429.20-6,238,489.60

Finding the Fourth Proportional to 20,620,201.60, 30,922,429.20 and 6,238,489.60

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Solution

The fourth proportional to 20,620,201.60, 30,922,429.20 and 6,238,489.60 is: 9,355,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620,201.60 : 30,922,429.20 = 6,238,489.60 : x
  2. Step 2: Convert to fraction form
    20,620,201.60/30,922,429.20 = 6,238,489.60/x
  3. Step 3: Cross multiply
    20,620,201.60x = 30,922,429.20 × 6,238,489.60
  4. Step 4: Simplify right side
    20,620,201.60x = 192,909,252,970,936.31
  5. Step 5: Solve for x
    x = 192,909,252,970,936.31/20,620,201.60
  6. Step 6: Final answer
    x = 9,355,352.42

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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.