Home / 32,979,743.19-45,517,501.49-18,300,138.72

Finding the Fourth Proportional to 32,979,743.19, 45,517,501.49 and 18,300,138.72

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Solution

The fourth proportional to 32,979,743.19, 45,517,501.49 and 18,300,138.72 is: 25,257,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979,743.19 : 45,517,501.49 = 18,300,138.72 : x
  2. Step 2: Convert to fraction form
    32,979,743.19/45,517,501.49 = 18,300,138.72/x
  3. Step 3: Cross multiply
    32,979,743.19x = 45,517,501.49 × 18,300,138.72
  4. Step 4: Simplify right side
    32,979,743.19x = 832,976,591,363,305.88
  5. Step 5: Solve for x
    x = 832,976,591,363,305.88/32,979,743.19
  6. Step 6: Final answer
    x = 25,257,218.85

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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.