Home / 18,273,978.37-27,414,424.11-7,345,018.74

Finding the Fourth Proportional to 18,273,978.37, 27,414,424.11 and 7,345,018.74

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Solution

The fourth proportional to 18,273,978.37, 27,414,424.11 and 7,345,018.74 is: 11,018,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273,978.37 : 27,414,424.11 = 7,345,018.74 : x
  2. Step 2: Convert to fraction form
    18,273,978.37/27,414,424.11 = 7,345,018.74/x
  3. Step 3: Cross multiply
    18,273,978.37x = 27,414,424.11 × 7,345,018.74
  4. Step 4: Simplify right side
    18,273,978.37x = 201,359,458,964,605.75
  5. Step 5: Solve for x
    x = 201,359,458,964,605.75/18,273,978.37
  6. Step 6: Final answer
    x = 11,018,917.44

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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.