Home / 13,229,493.82-18,257,220.15-9,051,940.97

Finding the Fourth Proportional to 13,229,493.82, 18,257,220.15 and 9,051,940.97

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Solution

The fourth proportional to 13,229,493.82, 18,257,220.15 and 9,051,940.97 is: 12,492,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229,493.82 : 18,257,220.15 = 9,051,940.97 : x
  2. Step 2: Convert to fraction form
    13,229,493.82/18,257,220.15 = 9,051,940.97/x
  3. Step 3: Cross multiply
    13,229,493.82x = 18,257,220.15 × 9,051,940.97
  4. Step 4: Simplify right side
    13,229,493.82x = 165,263,279,081,509.66
  5. Step 5: Solve for x
    x = 165,263,279,081,509.66/13,229,493.82
  6. Step 6: Final answer
    x = 12,492,033.44

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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.