Home / 18,392,652.70-27,588,979.05-10,430,028.70

Finding the Fourth Proportional to 18,392,652.70, 27,588,979.05 and 10,430,028.70

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Solution

The fourth proportional to 18,392,652.70, 27,588,979.05 and 10,430,028.70 is: 15,645,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392,652.70 : 27,588,979.05 = 10,430,028.70 : x
  2. Step 2: Convert to fraction form
    18,392,652.70/27,588,979.05 = 10,430,028.70/x
  3. Step 3: Cross multiply
    18,392,652.70x = 27,588,979.05 × 10,430,028.70
  4. Step 4: Simplify right side
    18,392,652.70x = 287,753,843,295,198.75
  5. Step 5: Solve for x
    x = 287,753,843,295,198.75/18,392,652.70
  6. Step 6: Final answer
    x = 15,645,043.05

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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.