Home / 40,665,651.21-56,116,930.41-22,080,069.18

Finding the Fourth Proportional to 40,665,651.21, 56,116,930.41 and 22,080,069.18

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Solution

The fourth proportional to 40,665,651.21, 56,116,930.41 and 22,080,069.18 is: 30,469,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,665,651.21 : 56,116,930.41 = 22,080,069.18 : x
  2. Step 2: Convert to fraction form
    40,665,651.21/56,116,930.41 = 22,080,069.18/x
  3. Step 3: Cross multiply
    40,665,651.21x = 56,116,930.41 × 22,080,069.18
  4. Step 4: Simplify right side
    40,665,651.21x = 1,239,065,705,622,045.75
  5. Step 5: Solve for x
    x = 1,239,065,705,622,045.75/40,665,651.21
  6. Step 6: Final answer
    x = 30,469,589.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.