Home / 38,630,217.50-53,309,687.94-21,227,683.73

Finding the Fourth Proportional to 38,630,217.50, 53,309,687.94 and 21,227,683.73

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Solution

The fourth proportional to 38,630,217.50, 53,309,687.94 and 21,227,683.73 is: 29,294,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630,217.50 : 53,309,687.94 = 21,227,683.73 : x
  2. Step 2: Convert to fraction form
    38,630,217.50/53,309,687.94 = 21,227,683.73/x
  3. Step 3: Cross multiply
    38,630,217.50x = 53,309,687.94 × 21,227,683.73
  4. Step 4: Simplify right side
    38,630,217.50x = 1,131,641,195,068,766.75
  5. Step 5: Solve for x
    x = 1,131,641,195,068,766.75/38,630,217.50
  6. Step 6: Final answer
    x = 29,294,196.83

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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.