Home / 18,719,446.92-25,841,816.82-11,847,260.04

Finding the Fourth Proportional to 18,719,446.92, 25,841,816.82 and 11,847,260.04

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Solution

The fourth proportional to 18,719,446.92, 25,841,816.82 and 11,847,260.04 is: 16,354,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,446.92 : 25,841,816.82 = 11,847,260.04 : x
  2. Step 2: Convert to fraction form
    18,719,446.92/25,841,816.82 = 11,847,260.04/x
  3. Step 3: Cross multiply
    18,719,446.92x = 25,841,816.82 × 11,847,260.04
  4. Step 4: Simplify right side
    18,719,446.92x = 306,154,723,772,585.88
  5. Step 5: Solve for x
    x = 306,154,723,772,585.88/18,719,446.92
  6. Step 6: Final answer
    x = 16,354,902.21

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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.