Home / 13,196,486.45-18,204,679.86-11,451,706.95

Finding the Fourth Proportional to 13,196,486.45, 18,204,679.86 and 11,451,706.95

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Solution

The fourth proportional to 13,196,486.45, 18,204,679.86 and 11,451,706.95 is: 15,797,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,486.45 : 18,204,679.86 = 11,451,706.95 : x
  2. Step 2: Convert to fraction form
    13,196,486.45/18,204,679.86 = 11,451,706.95/x
  3. Step 3: Cross multiply
    13,196,486.45x = 18,204,679.86 × 11,451,706.95
  4. Step 4: Simplify right side
    13,196,486.45x = 208,474,658,875,287
  5. Step 5: Solve for x
    x = 208,474,658,875,287/13,196,486.45
  6. Step 6: Final answer
    x = 15,797,739.78

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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.