Home / 20,790,668.25-31,188,932.93-6,414,904.89

Finding the Fourth Proportional to 20,790,668.25, 31,188,932.93 and 6,414,904.89

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Solution

The fourth proportional to 20,790,668.25, 31,188,932.93 and 6,414,904.89 is: 9,623,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790,668.25 : 31,188,932.93 = 6,414,904.89 : x
  2. Step 2: Convert to fraction form
    20,790,668.25/31,188,932.93 = 6,414,904.89/x
  3. Step 3: Cross multiply
    20,790,668.25x = 31,188,932.93 × 6,414,904.89
  4. Step 4: Simplify right side
    20,790,668.25x = 200,074,038,382,576.28
  5. Step 5: Solve for x
    x = 200,074,038,382,576.28/20,790,668.25
  6. Step 6: Final answer
    x = 9,623,261.55

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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.