Home / 18,650,963.70-27,976,445.55-11,074,029.30

Finding the Fourth Proportional to 18,650,963.70, 27,976,445.55 and 11,074,029.30

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Solution

The fourth proportional to 18,650,963.70, 27,976,445.55 and 11,074,029.30 is: 16,611,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,963.70 : 27,976,445.55 = 11,074,029.30 : x
  2. Step 2: Convert to fraction form
    18,650,963.70/27,976,445.55 = 11,074,029.30/x
  3. Step 3: Cross multiply
    18,650,963.70x = 27,976,445.55 × 11,074,029.30
  4. Step 4: Simplify right side
    18,650,963.70x = 309,811,977,730,554.62
  5. Step 5: Solve for x
    x = 309,811,977,730,554.62/18,650,963.70
  6. Step 6: Final answer
    x = 16,611,043.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.