Home / 20,195,533.58-27,869,812.17-11,938,571.78

Finding the Fourth Proportional to 20,195,533.58, 27,869,812.17 and 11,938,571.78

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Solution

The fourth proportional to 20,195,533.58, 27,869,812.17 and 11,938,571.78 is: 16,475,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195,533.58 : 27,869,812.17 = 11,938,571.78 : x
  2. Step 2: Convert to fraction form
    20,195,533.58/27,869,812.17 = 11,938,571.78/x
  3. Step 3: Cross multiply
    20,195,533.58x = 27,869,812.17 × 11,938,571.78
  4. Step 4: Simplify right side
    20,195,533.58x = 332,725,753,086,662.56
  5. Step 5: Solve for x
    x = 332,725,753,086,662.56/20,195,533.58
  6. Step 6: Final answer
    x = 16,475,214.77

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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.