Home / 13,474,029.45-20,211,131.70-5,387,684.43

Finding the Fourth Proportional to 13,474,029.45, 20,211,131.70 and 5,387,684.43

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Solution

The fourth proportional to 13,474,029.45, 20,211,131.70 and 5,387,684.43 is: 8,081,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474,029.45 : 20,211,131.70 = 5,387,684.43 : x
  2. Step 2: Convert to fraction form
    13,474,029.45/20,211,131.70 = 5,387,684.43/x
  3. Step 3: Cross multiply
    13,474,029.45x = 20,211,131.70 × 5,387,684.43
  4. Step 4: Simplify right side
    13,474,029.45x = 108,891,199,572,769.42
  5. Step 5: Solve for x
    x = 108,891,199,572,769.42/13,474,029.45
  6. Step 6: Final answer
    x = 8,081,561.64

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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.