Home / 28,777,716.60-43,166,574.90-20,747,052.60

Finding the Fourth Proportional to 28,777,716.60, 43,166,574.90 and 20,747,052.60

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Solution

The fourth proportional to 28,777,716.60, 43,166,574.90 and 20,747,052.60 is: 31,120,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777,716.60 : 43,166,574.90 = 20,747,052.60 : x
  2. Step 2: Convert to fraction form
    28,777,716.60/43,166,574.90 = 20,747,052.60/x
  3. Step 3: Cross multiply
    28,777,716.60x = 43,166,574.90 × 20,747,052.60
  4. Step 4: Simplify right side
    28,777,716.60x = 895,579,200,012,139.75
  5. Step 5: Solve for x
    x = 895,579,200,012,139.75/28,777,716.60
  6. Step 6: Final answer
    x = 31,120,578.90

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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.