Home / 20,834,766.46-28,751,976.75-11,415,595.29

Finding the Fourth Proportional to 20,834,766.46, 28,751,976.75 and 11,415,595.29

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Solution

The fourth proportional to 20,834,766.46, 28,751,976.75 and 11,415,595.29 is: 15,753,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834,766.46 : 28,751,976.75 = 11,415,595.29 : x
  2. Step 2: Convert to fraction form
    20,834,766.46/28,751,976.75 = 11,415,595.29/x
  3. Step 3: Cross multiply
    20,834,766.46x = 28,751,976.75 × 11,415,595.29
  4. Step 4: Simplify right side
    20,834,766.46x = 328,220,930,365,489.50
  5. Step 5: Solve for x
    x = 328,220,930,365,489.50/20,834,766.46
  6. Step 6: Final answer
    x = 15,753,520.97

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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.