Home / 32,979,745.19-45,517,504.25-18,300,140.72

Finding the Fourth Proportional to 32,979,745.19, 45,517,504.25 and 18,300,140.72

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Solution

The fourth proportional to 32,979,745.19, 45,517,504.25 and 18,300,140.72 is: 25,257,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979,745.19 : 45,517,504.25 = 18,300,140.72 : x
  2. Step 2: Convert to fraction form
    32,979,745.19/45,517,504.25 = 18,300,140.72/x
  3. Step 3: Cross multiply
    32,979,745.19x = 45,517,504.25 × 18,300,140.72
  4. Step 4: Simplify right side
    32,979,745.19x = 832,976,732,998,198
  5. Step 5: Solve for x
    x = 832,976,732,998,198/32,979,745.19
  6. Step 6: Final answer
    x = 25,257,221.61

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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.