Home / 18,797,622.11-28,196,457.77-5,150,889.73

Finding the Fourth Proportional to 18,797,622.11, 28,196,457.77 and 5,150,889.73

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Solution

The fourth proportional to 18,797,622.11, 28,196,457.77 and 5,150,889.73 is: 7,726,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797,622.11 : 28,196,457.77 = 5,150,889.73 : x
  2. Step 2: Convert to fraction form
    18,797,622.11/28,196,457.77 = 5,150,889.73/x
  3. Step 3: Cross multiply
    18,797,622.11x = 28,196,457.77 × 5,150,889.73
  4. Step 4: Simplify right side
    18,797,622.11x = 145,236,844,769,020.75
  5. Step 5: Solve for x
    x = 145,236,844,769,020.75/18,797,622.11
  6. Step 6: Final answer
    x = 7,726,341.34

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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.