Home / 13,612,101.35-18,763,428.90-9,253,620.85

Finding the Fourth Proportional to 13,612,101.35, 18,763,428.90 and 9,253,620.85

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Solution

The fourth proportional to 13,612,101.35, 18,763,428.90 and 9,253,620.85 is: 12,755,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,101.35 : 18,763,428.90 = 9,253,620.85 : x
  2. Step 2: Convert to fraction form
    13,612,101.35/18,763,428.90 = 9,253,620.85/x
  3. Step 3: Cross multiply
    13,612,101.35x = 18,763,428.90 × 9,253,620.85
  4. Step 4: Simplify right side
    13,612,101.35x = 173,629,656,839,623.97
  5. Step 5: Solve for x
    x = 173,629,656,839,623.97/13,612,101.35
  6. Step 6: Final answer
    x = 12,755,536.59

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1.5x scale

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.