Home / 28,446,906.92-39,256,730.34-15,394,166.24

Finding the Fourth Proportional to 28,446,906.92, 39,256,730.34 and 15,394,166.24

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Solution

The fourth proportional to 28,446,906.92, 39,256,730.34 and 15,394,166.24 is: 21,243,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,906.92 : 39,256,730.34 = 15,394,166.24 : x
  2. Step 2: Convert to fraction form
    28,446,906.92/39,256,730.34 = 15,394,166.24/x
  3. Step 3: Cross multiply
    28,446,906.92x = 39,256,730.34 × 15,394,166.24
  4. Step 4: Simplify right side
    28,446,906.92x = 604,324,632,892,811.75
  5. Step 5: Solve for x
    x = 604,324,632,892,811.75/28,446,906.92
  6. Step 6: Final answer
    x = 21,243,948.76

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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.