Home / 31,682,121.12-43,713,833.76-17,931,084.96

Finding the Fourth Proportional to 31,682,121.12, 43,713,833.76 and 17,931,084.96

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Solution

The fourth proportional to 31,682,121.12, 43,713,833.76 and 17,931,084.96 is: 24,740,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682,121.12 : 43,713,833.76 = 17,931,084.96 : x
  2. Step 2: Convert to fraction form
    31,682,121.12/43,713,833.76 = 17,931,084.96/x
  3. Step 3: Cross multiply
    31,682,121.12x = 43,713,833.76 × 17,931,084.96
  4. Step 4: Simplify right side
    31,682,121.12x = 783,836,467,077,876.25
  5. Step 5: Solve for x
    x = 783,836,467,077,876.25/31,682,121.12
  6. Step 6: Final answer
    x = 24,740,656.22

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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.