Home / 18,431,998.80-27,647,998.20-15,910,501.20

Finding the Fourth Proportional to 18,431,998.80, 27,647,998.20 and 15,910,501.20

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Solution

The fourth proportional to 18,431,998.80, 27,647,998.20 and 15,910,501.20 is: 23,865,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,998.80 : 27,647,998.20 = 15,910,501.20 : x
  2. Step 2: Convert to fraction form
    18,431,998.80/27,647,998.20 = 15,910,501.20/x
  3. Step 3: Cross multiply
    18,431,998.80x = 27,647,998.20 × 15,910,501.20
  4. Step 4: Simplify right side
    18,431,998.80x = 439,893,508,538,697.81
  5. Step 5: Solve for x
    x = 439,893,508,538,697.81/18,431,998.80
  6. Step 6: Final answer
    x = 23,865,751.80

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1.5x scale

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.