Home / 28,777,716.10-43,166,574.15-20,747,052.10

Finding the Fourth Proportional to 28,777,716.10, 43,166,574.15 and 20,747,052.10

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Solution

The fourth proportional to 28,777,716.10, 43,166,574.15 and 20,747,052.10 is: 31,120,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777,716.10 : 43,166,574.15 = 20,747,052.10 : x
  2. Step 2: Convert to fraction form
    28,777,716.10/43,166,574.15 = 20,747,052.10/x
  3. Step 3: Cross multiply
    28,777,716.10x = 43,166,574.15 × 20,747,052.10
  4. Step 4: Simplify right side
    28,777,716.10x = 895,579,162,868,563.25
  5. Step 5: Solve for x
    x = 895,579,162,868,563.25/28,777,716.10
  6. Step 6: Final answer
    x = 31,120,578.15

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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.