Home / 17,701,931.80-26,489,912.10-12,285,170.20

Finding the Fourth Proportional to 17,701,931.80, 26,489,912.10 and 12,285,170.20

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Solution

The fourth proportional to 17,701,931.80, 26,489,912.10 and 12,285,170.20 is: 18,384,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701,931.80 : 26,489,912.10 = 12,285,170.20 : x
  2. Step 2: Convert to fraction form
    17,701,931.80/26,489,912.10 = 12,285,170.20/x
  3. Step 3: Cross multiply
    17,701,931.80x = 26,489,912.10 × 12,285,170.20
  4. Step 4: Simplify right side
    17,701,931.80x = 325,433,078,731,539.44
  5. Step 5: Solve for x
    x = 325,433,078,731,539.44/17,701,931.80
  6. Step 6: Final answer
    x = 18,384,043.19

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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.