Home / 19,731,620.52-27,228,121.38-11,995,589.16

Finding the Fourth Proportional to 19,731,620.52, 27,228,121.38 and 11,995,589.16

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Solution

The fourth proportional to 19,731,620.52, 27,228,121.38 and 11,995,589.16 is: 16,552,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731,620.52 : 27,228,121.38 = 11,995,589.16 : x
  2. Step 2: Convert to fraction form
    19,731,620.52/27,228,121.38 = 11,995,589.16/x
  3. Step 3: Cross multiply
    19,731,620.52x = 27,228,121.38 × 11,995,589.16
  4. Step 4: Simplify right side
    19,731,620.52x = 326,617,357,673,092.25
  5. Step 5: Solve for x
    x = 326,617,357,673,092.25/19,731,620.52
  6. Step 6: Final answer
    x = 16,552,992.05

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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.