Home / 18,128,954.84-27,220,233.54-12,101,241.56

Finding the Fourth Proportional to 18,128,954.84, 27,220,233.54 and 12,101,241.56

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Solution

The fourth proportional to 18,128,954.84, 27,220,233.54 and 12,101,241.56 is: 18,169,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,954.84 : 27,220,233.54 = 12,101,241.56 : x
  2. Step 2: Convert to fraction form
    18,128,954.84/27,220,233.54 = 12,101,241.56/x
  3. Step 3: Cross multiply
    18,128,954.84x = 27,220,233.54 × 12,101,241.56
  4. Step 4: Simplify right side
    18,128,954.84x = 329,398,621,387,153.94
  5. Step 5: Solve for x
    x = 329,398,621,387,153.94/18,128,954.84
  6. Step 6: Final answer
    x = 18,169,752.44

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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.