Home / 20,145,177.48-30,223,650.42-6,498,021.72

Finding the Fourth Proportional to 20,145,177.48, 30,223,650.42 and 6,498,021.72

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Solution

The fourth proportional to 20,145,177.48, 30,223,650.42 and 6,498,021.72 is: 9,748,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145,177.48 : 30,223,650.42 = 6,498,021.72 : x
  2. Step 2: Convert to fraction form
    20,145,177.48/30,223,650.42 = 6,498,021.72/x
  3. Step 3: Cross multiply
    20,145,177.48x = 30,223,650.42 × 6,498,021.72
  4. Step 4: Simplify right side
    20,145,177.48x = 196,393,936,886,847.12
  5. Step 5: Solve for x
    x = 196,393,936,886,847.12/20,145,177.48
  6. Step 6: Final answer
    x = 9,748,930.59

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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.