Home / 47,150,907.92-70,726,380.11-21,212,918.43

Finding the Fourth Proportional to 47,150,907.92, 70,726,380.11 and 21,212,918.43

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Solution

The fourth proportional to 47,150,907.92, 70,726,380.11 and 21,212,918.43 is: 31,819,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,150,907.92 : 70,726,380.11 = 21,212,918.43 : x
  2. Step 2: Convert to fraction form
    47,150,907.92/70,726,380.11 = 21,212,918.43/x
  3. Step 3: Cross multiply
    47,150,907.92x = 70,726,380.11 × 21,212,918.43
  4. Step 4: Simplify right side
    47,150,907.92x = 1,500,312,932,288,414.50
  5. Step 5: Solve for x
    x = 1,500,312,932,288,414.50/47,150,907.92
  6. Step 6: Final answer
    x = 31,819,385.85

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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.