Home / 13,564,658.24-20,350,138.72-3,979,649.60

Finding the Fourth Proportional to 13,564,658.24, 20,350,138.72 and 3,979,649.60

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Solution

The fourth proportional to 13,564,658.24, 20,350,138.72 and 3,979,649.60 is: 5,970,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,658.24 : 20,350,138.72 = 3,979,649.60 : x
  2. Step 2: Convert to fraction form
    13,564,658.24/20,350,138.72 = 3,979,649.60/x
  3. Step 3: Cross multiply
    13,564,658.24x = 20,350,138.72 × 3,979,649.60
  4. Step 4: Simplify right side
    13,564,658.24x = 80,986,421,416,992.52
  5. Step 5: Solve for x
    x = 80,986,421,416,992.52/13,564,658.24
  6. Step 6: Final answer
    x = 5,970,398.96

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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.