Home / 13,370,754.11-18,468,949.20-11,056,992.62

Finding the Fourth Proportional to 13,370,754.11, 18,468,949.20 and 11,056,992.62

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Solution

The fourth proportional to 13,370,754.11, 18,468,949.20 and 11,056,992.62 is: 15,272,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370,754.11 : 18,468,949.20 = 11,056,992.62 : x
  2. Step 2: Convert to fraction form
    13,370,754.11/18,468,949.20 = 11,056,992.62/x
  3. Step 3: Cross multiply
    13,370,754.11x = 18,468,949.20 × 11,056,992.62
  4. Step 4: Simplify right side
    13,370,754.11x = 204,211,035,003,554.88
  5. Step 5: Solve for x
    x = 204,211,035,003,554.88/13,370,754.11
  6. Step 6: Final answer
    x = 15,272,963.16

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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.