Home / 18,497,574.10-27,691,080.17-11,188,915.65

Finding the Fourth Proportional to 18,497,574.10, 27,691,080.17 and 11,188,915.65

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Solution

The fourth proportional to 18,497,574.10, 27,691,080.17 and 11,188,915.65 is: 16,749,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497,574.10 : 27,691,080.17 = 11,188,915.65 : x
  2. Step 2: Convert to fraction form
    18,497,574.10/27,691,080.17 = 11,188,915.65/x
  3. Step 3: Cross multiply
    18,497,574.10x = 27,691,080.17 × 11,188,915.65
  4. Step 4: Simplify right side
    18,497,574.10x = 309,833,160,279,517.69
  5. Step 5: Solve for x
    x = 309,833,160,279,517.69/18,497,574.10
  6. Step 6: Final answer
    x = 16,749,934.81

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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.