Home / 13,309,823.27-18,367,568.35-7,198,251.77

Finding the Fourth Proportional to 13,309,823.27, 18,367,568.35 and 7,198,251.77

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Solution

The fourth proportional to 13,309,823.27, 18,367,568.35 and 7,198,251.77 is: 9,933,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,823.27 : 18,367,568.35 = 7,198,251.77 : x
  2. Step 2: Convert to fraction form
    13,309,823.27/18,367,568.35 = 7,198,251.77/x
  3. Step 3: Cross multiply
    13,309,823.27x = 18,367,568.35 × 7,198,251.77
  4. Step 4: Simplify right side
    13,309,823.27x = 132,214,381,294,145.64
  5. Step 5: Solve for x
    x = 132,214,381,294,145.64/13,309,823.27
  6. Step 6: Final answer
    x = 9,933,594.06

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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.