Home / 47,797,917.58-71,696,766.96-20,486,501.20

Finding the Fourth Proportional to 47,797,917.58, 71,696,766.96 and 20,486,501.20

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Solution

The fourth proportional to 47,797,917.58, 71,696,766.96 and 20,486,501.20 is: 30,729,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,797,917.58 : 71,696,766.96 = 20,486,501.20 : x
  2. Step 2: Convert to fraction form
    47,797,917.58/71,696,766.96 = 20,486,501.20/x
  3. Step 3: Cross multiply
    47,797,917.58x = 71,696,766.96 × 20,486,501.20
  4. Step 4: Simplify right side
    47,797,917.58x = 1,468,815,902,362,160.25
  5. Step 5: Solve for x
    x = 1,468,815,902,362,160.25/47,797,917.58
  6. Step 6: Final answer
    x = 30,729,704.91

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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.