Home / 18,650,977.20-27,976,465.80-11,074,042.80

Finding the Fourth Proportional to 18,650,977.20, 27,976,465.80 and 11,074,042.80

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Solution

The fourth proportional to 18,650,977.20, 27,976,465.80 and 11,074,042.80 is: 16,611,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,977.20 : 27,976,465.80 = 11,074,042.80 : x
  2. Step 2: Convert to fraction form
    18,650,977.20/27,976,465.80 = 11,074,042.80/x
  3. Step 3: Cross multiply
    18,650,977.20x = 27,976,465.80 × 11,074,042.80
  4. Step 4: Simplify right side
    18,650,977.20x = 309,812,579,661,936.25
  5. Step 5: Solve for x
    x = 309,812,579,661,936.25/18,650,977.20
  6. Step 6: Final answer
    x = 16,611,064.20

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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.