Home / 18,722,144.48-25,828,865.34-11,378,794.64

Finding the Fourth Proportional to 18,722,144.48, 25,828,865.34 and 11,378,794.64

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Solution

The fourth proportional to 18,722,144.48, 25,828,865.34 and 11,378,794.64 is: 15,698,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,144.48 : 25,828,865.34 = 11,378,794.64 : x
  2. Step 2: Convert to fraction form
    18,722,144.48/25,828,865.34 = 11,378,794.64/x
  3. Step 3: Cross multiply
    18,722,144.48x = 25,828,865.34 × 11,378,794.64
  4. Step 4: Simplify right side
    18,722,144.48x = 293,901,354,488,073.81
  5. Step 5: Solve for x
    x = 293,901,354,488,073.81/18,722,144.48
  6. Step 6: Final answer
    x = 15,698,060.38

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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.