Home / 18,665,291.62-25,743,500.22-12,141,004.47

Finding the Fourth Proportional to 18,665,291.62, 25,743,500.22 and 12,141,004.47

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Solution

The fourth proportional to 18,665,291.62, 25,743,500.22 and 12,141,004.47 is: 16,745,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,291.62 : 25,743,500.22 = 12,141,004.47 : x
  2. Step 2: Convert to fraction form
    18,665,291.62/25,743,500.22 = 12,141,004.47/x
  3. Step 3: Cross multiply
    18,665,291.62x = 25,743,500.22 × 12,141,004.47
  4. Step 4: Simplify right side
    18,665,291.62x = 312,551,951,115,748.44
  5. Step 5: Solve for x
    x = 312,551,951,115,748.44/18,665,291.62
  6. Step 6: Final answer
    x = 16,745,088.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.