Home / 31,311,782.68-43,210,610.94-17,373,390.04

Finding the Fourth Proportional to 31,311,782.68, 43,210,610.94 and 17,373,390.04

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Solution

The fourth proportional to 31,311,782.68, 43,210,610.94 and 17,373,390.04 is: 23,975,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,311,782.68 : 43,210,610.94 = 17,373,390.04 : x
  2. Step 2: Convert to fraction form
    31,311,782.68/43,210,610.94 = 17,373,390.04/x
  3. Step 3: Cross multiply
    31,311,782.68x = 43,210,610.94 × 17,373,390.04
  4. Step 4: Simplify right side
    31,311,782.68x = 750,714,797,727,311
  5. Step 5: Solve for x
    x = 750,714,797,727,311/31,311,782.68
  6. Step 6: Final answer
    x = 23,975,472.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.