Home / 17,706,711.80-26,560,067.70-12,891,812.60

Finding the Fourth Proportional to 17,706,711.80, 26,560,067.70 and 12,891,812.60

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Solution

The fourth proportional to 17,706,711.80, 26,560,067.70 and 12,891,812.60 is: 19,337,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,706,711.80 : 26,560,067.70 = 12,891,812.60 : x
  2. Step 2: Convert to fraction form
    17,706,711.80/26,560,067.70 = 12,891,812.60/x
  3. Step 3: Cross multiply
    17,706,711.80x = 26,560,067.70 × 12,891,812.60
  4. Step 4: Simplify right side
    17,706,711.80x = 342,407,415,431,713
  5. Step 5: Solve for x
    x = 342,407,415,431,713/17,706,711.80
  6. Step 6: Final answer
    x = 19,337,718.90

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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.