Home / 12,392,367.57-18,595,826.79-5,203,348.65

Finding the Fourth Proportional to 12,392,367.57, 18,595,826.79 and 5,203,348.65

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Solution

The fourth proportional to 12,392,367.57, 18,595,826.79 and 5,203,348.65 is: 7,808,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,367.57 : 18,595,826.79 = 5,203,348.65 : x
  2. Step 2: Convert to fraction form
    12,392,367.57/18,595,826.79 = 5,203,348.65/x
  3. Step 3: Cross multiply
    12,392,367.57x = 18,595,826.79 × 5,203,348.65
  4. Step 4: Simplify right side
    12,392,367.57x = 96,760,570,223,380.33
  5. Step 5: Solve for x
    x = 96,760,570,223,380.33/12,392,367.57
  6. Step 6: Final answer
    x = 7,808,077.81

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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.