Home / 19,740,722.88-27,181,636.92-17,279,560.56

Finding the Fourth Proportional to 19,740,722.88, 27,181,636.92 and 17,279,560.56

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Solution

The fourth proportional to 19,740,722.88, 27,181,636.92 and 17,279,560.56 is: 23,792,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740,722.88 : 27,181,636.92 = 17,279,560.56 : x
  2. Step 2: Convert to fraction form
    19,740,722.88/27,181,636.92 = 17,279,560.56/x
  3. Step 3: Cross multiply
    19,740,722.88x = 27,181,636.92 × 17,279,560.56
  4. Step 4: Simplify right side
    19,740,722.88x = 469,686,741,279,071.88
  5. Step 5: Solve for x
    x = 469,686,741,279,071.88/19,740,722.88
  6. Step 6: Final answer
    x = 23,792,783.28

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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.