Home / 12,197,017.14-18,271,131.09-7,336,640.61

Finding the Fourth Proportional to 12,197,017.14, 18,271,131.09 and 7,336,640.61

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Solution

The fourth proportional to 12,197,017.14, 18,271,131.09 and 7,336,640.61 is: 10,990,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197,017.14 : 18,271,131.09 = 7,336,640.61 : x
  2. Step 2: Convert to fraction form
    12,197,017.14/18,271,131.09 = 7,336,640.61/x
  3. Step 3: Cross multiply
    12,197,017.14x = 18,271,131.09 × 7,336,640.61
  4. Step 4: Simplify right side
    12,197,017.14x = 134,048,722,345,527.56
  5. Step 5: Solve for x
    x = 134,048,722,345,527.56/12,197,017.14
  6. Step 6: Final answer
    x = 10,990,287.28

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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.