Home / 19,197,942.20-28,812,659.70-18,568,086.20

Finding the Fourth Proportional to 19,197,942.20, 28,812,659.70 and 18,568,086.20

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Solution

The fourth proportional to 19,197,942.20, 28,812,659.70 and 18,568,086.20 is: 27,867,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197,942.20 : 28,812,659.70 = 18,568,086.20 : x
  2. Step 2: Convert to fraction form
    19,197,942.20/28,812,659.70 = 18,568,086.20/x
  3. Step 3: Cross multiply
    19,197,942.20x = 28,812,659.70 × 18,568,086.20
  4. Step 4: Simplify right side
    19,197,942.20x = 534,995,948,960,866.12
  5. Step 5: Solve for x
    x = 534,995,948,960,866.12/19,197,942.20
  6. Step 6: Final answer
    x = 27,867,359.08

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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.