Home / 20,967,846.25-28,935,351.91-11,548,456.35

Finding the Fourth Proportional to 20,967,846.25, 28,935,351.91 and 11,548,456.35

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Solution

The fourth proportional to 20,967,846.25, 28,935,351.91 and 11,548,456.35 is: 15,936,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967,846.25 : 28,935,351.91 = 11,548,456.35 : x
  2. Step 2: Convert to fraction form
    20,967,846.25/28,935,351.91 = 11,548,456.35/x
  3. Step 3: Cross multiply
    20,967,846.25x = 28,935,351.91 × 11,548,456.35
  4. Step 4: Simplify right side
    20,967,846.25x = 334,158,648,504,524.12
  5. Step 5: Solve for x
    x = 334,158,648,504,524.12/20,967,846.25
  6. Step 6: Final answer
    x = 15,936,717.80

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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.