Home / 12,215,345.40-18,325,091.70-3,695,614.20

Finding the Fourth Proportional to 12,215,345.40, 18,325,091.70 and 3,695,614.20

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Solution

The fourth proportional to 12,215,345.40, 18,325,091.70 and 3,695,614.20 is: 5,544,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,345.40 : 18,325,091.70 = 3,695,614.20 : x
  2. Step 2: Convert to fraction form
    12,215,345.40/18,325,091.70 = 3,695,614.20/x
  3. Step 3: Cross multiply
    12,215,345.40x = 18,325,091.70 × 3,695,614.20
  4. Step 4: Simplify right side
    12,215,345.40x = 67,722,469,102,822.14
  5. Step 5: Solve for x
    x = 67,722,469,102,822.14/12,215,345.40
  6. Step 6: Final answer
    x = 5,544,048.64

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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.