Home / 18,123,713.84-27,163,962.59-12,629,059.94

Finding the Fourth Proportional to 18,123,713.84, 27,163,962.59 and 12,629,059.94

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Solution

The fourth proportional to 18,123,713.84, 27,163,962.59 and 12,629,059.94 is: 18,928,532.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123,713.84 : 27,163,962.59 = 12,629,059.94 : x
  2. Step 2: Convert to fraction form
    18,123,713.84/27,163,962.59 = 12,629,059.94/x
  3. Step 3: Cross multiply
    18,123,713.84x = 27,163,962.59 × 12,629,059.94
  4. Step 4: Simplify right side
    18,123,713.84x = 343,055,311,558,062.56
  5. Step 5: Solve for x
    x = 343,055,311,558,062.56/18,123,713.84
  6. Step 6: Final answer
    x = 18,928,532.79

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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.