Home / 20,941,777.80-31,412,666.70-5,589,037.80

Finding the Fourth Proportional to 20,941,777.80, 31,412,666.70 and 5,589,037.80

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Solution

The fourth proportional to 20,941,777.80, 31,412,666.70 and 5,589,037.80 is: 8,383,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,777.80 : 31,412,666.70 = 5,589,037.80 : x
  2. Step 2: Convert to fraction form
    20,941,777.80/31,412,666.70 = 5,589,037.80/x
  3. Step 3: Cross multiply
    20,941,777.80x = 31,412,666.70 × 5,589,037.80
  4. Step 4: Simplify right side
    20,941,777.80x = 175,566,581,585,101.25
  5. Step 5: Solve for x
    x = 175,566,581,585,101.25/20,941,777.80
  6. Step 6: Final answer
    x = 8,383,556.70

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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.