Home / 18,451,477.71-27,656,216.46-8,200,939.86

Finding the Fourth Proportional to 18,451,477.71, 27,656,216.46 and 8,200,939.86

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Solution

The fourth proportional to 18,451,477.71, 27,656,216.46 and 8,200,939.86 is: 12,292,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,477.71 : 27,656,216.46 = 8,200,939.86 : x
  2. Step 2: Convert to fraction form
    18,451,477.71/27,656,216.46 = 8,200,939.86/x
  3. Step 3: Cross multiply
    18,451,477.71x = 27,656,216.46 × 8,200,939.86
  4. Step 4: Simplify right side
    18,451,477.71x = 226,806,967,943,602.12
  5. Step 5: Solve for x
    x = 226,806,967,943,602.12/18,451,477.71
  6. Step 6: Final answer
    x = 12,292,076.09

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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.