Home / 47,942,563.14-71,965,020.87-20,662,318.98

Finding the Fourth Proportional to 47,942,563.14, 71,965,020.87 and 20,662,318.98

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Solution

The fourth proportional to 47,942,563.14, 71,965,020.87 and 20,662,318.98 is: 31,015,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942,563.14 : 71,965,020.87 = 20,662,318.98 : x
  2. Step 2: Convert to fraction form
    47,942,563.14/71,965,020.87 = 20,662,318.98/x
  3. Step 3: Cross multiply
    47,942,563.14x = 71,965,020.87 × 20,662,318.98
  4. Step 4: Simplify right side
    47,942,563.14x = 1,486,964,216,618,297.25
  5. Step 5: Solve for x
    x = 1,486,964,216,618,297.25/47,942,563.14
  6. Step 6: Final answer
    x = 31,015,534.41

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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.