Home / 12,629,677.82-18,941,620.85-3,532,418.17

Finding the Fourth Proportional to 12,629,677.82, 18,941,620.85 and 3,532,418.17

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Solution

The fourth proportional to 12,629,677.82, 18,941,620.85 and 3,532,418.17 is: 5,297,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629,677.82 : 18,941,620.85 = 3,532,418.17 : x
  2. Step 2: Convert to fraction form
    12,629,677.82/18,941,620.85 = 3,532,418.17/x
  3. Step 3: Cross multiply
    12,629,677.82x = 18,941,620.85 × 3,532,418.17
  4. Step 4: Simplify right side
    12,629,677.82x = 66,909,725,594,774.70
  5. Step 5: Solve for x
    x = 66,909,725,594,774.70/12,629,677.82
  6. Step 6: Final answer
    x = 5,297,817.30

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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.