Home / 18,542,742.52-27,822,105.78-10,029,072.28

Finding the Fourth Proportional to 18,542,742.52, 27,822,105.78 and 10,029,072.28

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Solution

The fourth proportional to 18,542,742.52, 27,822,105.78 and 10,029,072.28 is: 15,047,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542,742.52 : 27,822,105.78 = 10,029,072.28 : x
  2. Step 2: Convert to fraction form
    18,542,742.52/27,822,105.78 = 10,029,072.28/x
  3. Step 3: Cross multiply
    18,542,742.52x = 27,822,105.78 × 10,029,072.28
  4. Step 4: Simplify right side
    18,542,742.52x = 279,029,909,849,425.78
  5. Step 5: Solve for x
    x = 279,029,909,849,425.78/18,542,742.52
  6. Step 6: Final answer
    x = 15,047,930.99

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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.