Home / 18,756,541.20-28,134,811.80-11,198,269.20

Finding the Fourth Proportional to 18,756,541.20, 28,134,811.80 and 11,198,269.20

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Solution

The fourth proportional to 18,756,541.20, 28,134,811.80 and 11,198,269.20 is: 16,797,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,541.20 : 28,134,811.80 = 11,198,269.20 : x
  2. Step 2: Convert to fraction form
    18,756,541.20/28,134,811.80 = 11,198,269.20/x
  3. Step 3: Cross multiply
    18,756,541.20x = 28,134,811.80 × 11,198,269.20
  4. Step 4: Simplify right side
    18,756,541.20x = 315,061,196,427,736.56
  5. Step 5: Solve for x
    x = 315,061,196,427,736.56/18,756,541.20
  6. Step 6: Final answer
    x = 16,797,403.80

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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.