Home / 26,472,724.80-39,709,087.20-8,521,828.80

Finding the Fourth Proportional to 26,472,724.80, 39,709,087.20 and 8,521,828.80

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Solution

The fourth proportional to 26,472,724.80, 39,709,087.20 and 8,521,828.80 is: 12,782,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472,724.80 : 39,709,087.20 = 8,521,828.80 : x
  2. Step 2: Convert to fraction form
    26,472,724.80/39,709,087.20 = 8,521,828.80/x
  3. Step 3: Cross multiply
    26,472,724.80x = 39,709,087.20 × 8,521,828.80
  4. Step 4: Simplify right side
    26,472,724.80x = 338,394,042,922,671.44
  5. Step 5: Solve for x
    x = 338,394,042,922,671.44/26,472,724.80
  6. Step 6: Final answer
    x = 12,782,743.20

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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.