Home / 28,761,787.80-43,105,940.10-11,703,187.80

Finding the Fourth Proportional to 28,761,787.80, 43,105,940.10 and 11,703,187.80

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Solution

The fourth proportional to 28,761,787.80, 43,105,940.10 and 11,703,187.80 is: 17,539,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761,787.80 : 43,105,940.10 = 11,703,187.80 : x
  2. Step 2: Convert to fraction form
    28,761,787.80/43,105,940.10 = 11,703,187.80/x
  3. Step 3: Cross multiply
    28,761,787.80x = 43,105,940.10 × 11,703,187.80
  4. Step 4: Simplify right side
    28,761,787.80x = 504,476,912,285,850.81
  5. Step 5: Solve for x
    x = 504,476,912,285,850.81/28,761,787.80
  6. Step 6: Final answer
    x = 17,539,831.52

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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.