Home / 20,672,449.38-31,006,309.86-5,527,561.86

Finding the Fourth Proportional to 20,672,449.38, 31,006,309.86 and 5,527,561.86

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Solution

The fourth proportional to 20,672,449.38, 31,006,309.86 and 5,527,561.86 is: 8,290,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,449.38 : 31,006,309.86 = 5,527,561.86 : x
  2. Step 2: Convert to fraction form
    20,672,449.38/31,006,309.86 = 5,527,561.86/x
  3. Step 3: Cross multiply
    20,672,449.38x = 31,006,309.86 × 5,527,561.86
  4. Step 4: Simplify right side
    20,672,449.38x = 171,389,295,801,477.94
  5. Step 5: Solve for x
    x = 171,389,295,801,477.94/20,672,449.38
  6. Step 6: Final answer
    x = 8,290,710.63

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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.