Home / 7,980,292.72-11,972,120.60-2,588,522.79

Finding the Fourth Proportional to 7,980,292.72, 11,972,120.60 and 2,588,522.79

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Solution

The fourth proportional to 7,980,292.72, 11,972,120.60 and 2,588,522.79 is: 3,883,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,292.72 : 11,972,120.60 = 2,588,522.79 : x
  2. Step 2: Convert to fraction form
    7,980,292.72/11,972,120.60 = 2,588,522.79/x
  3. Step 3: Cross multiply
    7,980,292.72x = 11,972,120.60 × 2,588,522.79
  4. Step 4: Simplify right side
    7,980,292.72x = 30,990,107,017,728.47
  5. Step 5: Solve for x
    x = 30,990,107,017,728.47/7,980,292.72
  6. Step 6: Final answer
    x = 3,883,329.61

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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.