Home / 13,621,092.42-20,431,048.12-3,385,735.58

Finding the Fourth Proportional to 13,621,092.42, 20,431,048.12 and 3,385,735.58

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Solution

The fourth proportional to 13,621,092.42, 20,431,048.12 and 3,385,735.58 is: 5,078,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,092.42 : 20,431,048.12 = 3,385,735.58 : x
  2. Step 2: Convert to fraction form
    13,621,092.42/20,431,048.12 = 3,385,735.58/x
  3. Step 3: Cross multiply
    13,621,092.42x = 20,431,048.12 × 3,385,735.58
  4. Step 4: Simplify right side
    13,621,092.42x = 69,174,126,556,576.12
  5. Step 5: Solve for x
    x = 69,174,126,556,576.12/13,621,092.42
  6. Step 6: Final answer
    x = 5,078,456.59

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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.