Home / 20,790,859.06-31,185,934.92-6,217,811.90

Finding the Fourth Proportional to 20,790,859.06, 31,185,934.92 and 6,217,811.90

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Solution

The fourth proportional to 20,790,859.06, 31,185,934.92 and 6,217,811.90 is: 9,326,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790,859.06 : 31,185,934.92 = 6,217,811.90 : x
  2. Step 2: Convert to fraction form
    20,790,859.06/31,185,934.92 = 6,217,811.90/x
  3. Step 3: Cross multiply
    20,790,859.06x = 31,185,934.92 × 6,217,811.90
  4. Step 4: Simplify right side
    20,790,859.06x = 193,908,277,258,201.56
  5. Step 5: Solve for x
    x = 193,908,277,258,201.56/20,790,859.06
  6. Step 6: Final answer
    x = 9,326,612.08

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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.