Home / 18,821,634.80-28,253,447.40-17,588,166.80

Finding the Fourth Proportional to 18,821,634.80, 28,253,447.40 and 17,588,166.80

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Solution

The fourth proportional to 18,821,634.80, 28,253,447.40 and 17,588,166.80 is: 26,401,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,634.80 : 28,253,447.40 = 17,588,166.80 : x
  2. Step 2: Convert to fraction form
    18,821,634.80/28,253,447.40 = 17,588,166.80/x
  3. Step 3: Cross multiply
    18,821,634.80x = 28,253,447.40 × 17,588,166.80
  4. Step 4: Simplify right side
    18,821,634.80x = 496,926,345,546,226.31
  5. Step 5: Solve for x
    x = 496,926,345,546,226.31/18,821,634.80
  6. Step 6: Final answer
    x = 26,401,869.49

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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.