Home / 18,382,429.40-27,573,644.10-12,335,811.80

Finding the Fourth Proportional to 18,382,429.40, 27,573,644.10 and 12,335,811.80

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Solution

The fourth proportional to 18,382,429.40, 27,573,644.10 and 12,335,811.80 is: 18,503,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382,429.40 : 27,573,644.10 = 12,335,811.80 : x
  2. Step 2: Convert to fraction form
    18,382,429.40/27,573,644.10 = 12,335,811.80/x
  3. Step 3: Cross multiply
    18,382,429.40x = 27,573,644.10 × 12,335,811.80
  4. Step 4: Simplify right side
    18,382,429.40x = 340,143,284,257,780.44
  5. Step 5: Solve for x
    x = 340,143,284,257,780.44/18,382,429.40
  6. Step 6: Final answer
    x = 18,503,717.70

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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.