Home / 18,126,975.62-27,190,196.84-4,480,123.37

Finding the Fourth Proportional to 18,126,975.62, 27,190,196.84 and 4,480,123.37

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Solution

The fourth proportional to 18,126,975.62, 27,190,196.84 and 4,480,123.37 is: 6,720,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,975.62 : 27,190,196.84 = 4,480,123.37 : x
  2. Step 2: Convert to fraction form
    18,126,975.62/27,190,196.84 = 4,480,123.37/x
  3. Step 3: Cross multiply
    18,126,975.62x = 27,190,196.84 × 4,480,123.37
  4. Step 4: Simplify right side
    18,126,975.62x = 121,815,436,173,033.48
  5. Step 5: Solve for x
    x = 121,815,436,173,033.48/18,126,975.62
  6. Step 6: Final answer
    x = 6,720,119.16

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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.