Home / 13,850,103.88-20,869,692.88-11,381,068.36

Finding the Fourth Proportional to 13,850,103.88, 20,869,692.88 and 11,381,068.36

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Solution

The fourth proportional to 13,850,103.88, 20,869,692.88 and 11,381,068.36 is: 17,149,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,103.88 : 20,869,692.88 = 11,381,068.36 : x
  2. Step 2: Convert to fraction form
    13,850,103.88/20,869,692.88 = 11,381,068.36/x
  3. Step 3: Cross multiply
    13,850,103.88x = 20,869,692.88 × 11,381,068.36
  4. Step 4: Simplify right side
    13,850,103.88x = 237,519,401,319,485.25
  5. Step 5: Solve for x
    x = 237,519,401,319,485.25/13,850,103.88
  6. Step 6: Final answer
    x = 17,149,286.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.