Home / 20,790,858.06-31,185,933.42-6,217,810.90

Finding the Fourth Proportional to 20,790,858.06, 31,185,933.42 and 6,217,810.90

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Solution

The fourth proportional to 20,790,858.06, 31,185,933.42 and 6,217,810.90 is: 9,326,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790,858.06 : 31,185,933.42 = 6,217,810.90 : x
  2. Step 2: Convert to fraction form
    20,790,858.06/31,185,933.42 = 6,217,810.90/x
  3. Step 3: Cross multiply
    20,790,858.06x = 31,185,933.42 × 6,217,810.90
  4. Step 4: Simplify right side
    20,790,858.06x = 193,908,236,745,550.31
  5. Step 5: Solve for x
    x = 193,908,236,745,550.31/20,790,858.06
  6. Step 6: Final answer
    x = 9,326,610.58

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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.