Home / 22,378,615.20-33,567,922.80-7,243,408.80

Finding the Fourth Proportional to 22,378,615.20, 33,567,922.80 and 7,243,408.80

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Solution

The fourth proportional to 22,378,615.20, 33,567,922.80 and 7,243,408.80 is: 10,865,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378,615.20 : 33,567,922.80 = 7,243,408.80 : x
  2. Step 2: Convert to fraction form
    22,378,615.20/33,567,922.80 = 7,243,408.80/x
  3. Step 3: Cross multiply
    22,378,615.20x = 33,567,922.80 × 7,243,408.80
  4. Step 4: Simplify right side
    22,378,615.20x = 243,146,187,407,240.62
  5. Step 5: Solve for x
    x = 243,146,187,407,240.62/22,378,615.20
  6. Step 6: Final answer
    x = 10,865,113.20

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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.