Home / 11,915,236.80-17,864,107.20-4,723,214.40

Finding the Fourth Proportional to 11,915,236.80, 17,864,107.20 and 4,723,214.40

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Solution

The fourth proportional to 11,915,236.80, 17,864,107.20 and 4,723,214.40 is: 7,081,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915,236.80 : 17,864,107.20 = 4,723,214.40 : x
  2. Step 2: Convert to fraction form
    11,915,236.80/17,864,107.20 = 4,723,214.40/x
  3. Step 3: Cross multiply
    11,915,236.80x = 17,864,107.20 × 4,723,214.40
  4. Step 4: Simplify right side
    11,915,236.80x = 84,376,008,370,183.69
  5. Step 5: Solve for x
    x = 84,376,008,370,183.69/11,915,236.80
  6. Step 6: Final answer
    x = 7,081,353.88

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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.