Home / 36,212,712.80-54,319,069.20-19,206,600.80

Finding the Fourth Proportional to 36,212,712.80, 54,319,069.20 and 19,206,600.80

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Solution

The fourth proportional to 36,212,712.80, 54,319,069.20 and 19,206,600.80 is: 28,809,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,212,712.80 : 54,319,069.20 = 19,206,600.80 : x
  2. Step 2: Convert to fraction form
    36,212,712.80/54,319,069.20 = 19,206,600.80/x
  3. Step 3: Cross multiply
    36,212,712.80x = 54,319,069.20 × 19,206,600.80
  4. Step 4: Simplify right side
    36,212,712.80x = 1,043,284,677,951,975.50
  5. Step 5: Solve for x
    x = 1,043,284,677,951,975.50/36,212,712.80
  6. Step 6: Final answer
    x = 28,809,901.20

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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.