Home / 16,821,108-23,213,137.68-9,086,150.16

Finding the Fourth Proportional to 16,821,108, 23,213,137.68 and 9,086,150.16

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Solution

The fourth proportional to 16,821,108, 23,213,137.68 and 9,086,150.16 is: 12,538,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,108 : 23,213,137.68 = 9,086,150.16 : x
  2. Step 2: Convert to fraction form
    16,821,108/23,213,137.68 = 9,086,150.16/x
  3. Step 3: Cross multiply
    16,821,108x = 23,213,137.68 × 9,086,150.16
  4. Step 4: Simplify right side
    16,821,108x = 210,918,054,645,234.03
  5. Step 5: Solve for x
    x = 210,918,054,645,234.03/16,821,108
  6. Step 6: Final answer
    x = 12,538,891.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.