Home / 16,821,000.45-25,231,500.68-11,081,437.65

Finding the Fourth Proportional to 16,821,000.45, 25,231,500.68 and 11,081,437.65

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Solution

The fourth proportional to 16,821,000.45, 25,231,500.68 and 11,081,437.65 is: 16,622,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,000.45 : 25,231,500.68 = 11,081,437.65 : x
  2. Step 2: Convert to fraction form
    16,821,000.45/25,231,500.68 = 11,081,437.65/x
  3. Step 3: Cross multiply
    16,821,000.45x = 25,231,500.68 × 11,081,437.65
  4. Step 4: Simplify right side
    16,821,000.45x = 279,601,301,545,945.44
  5. Step 5: Solve for x
    x = 279,601,301,545,945.44/16,821,000.45
  6. Step 6: Final answer
    x = 16,622,156.48

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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.