Home / 8,504,486.45-12,762,708.59-7,691,381.72

Finding the Fourth Proportional to 8,504,486.45, 12,762,708.59 and 7,691,381.72

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Solution

The fourth proportional to 8,504,486.45, 12,762,708.59 and 7,691,381.72 is: 11,542,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504,486.45 : 12,762,708.59 = 7,691,381.72 : x
  2. Step 2: Convert to fraction form
    8,504,486.45/12,762,708.59 = 7,691,381.72/x
  3. Step 3: Cross multiply
    8,504,486.45x = 12,762,708.59 × 7,691,381.72
  4. Step 4: Simplify right side
    8,504,486.45x = 98,162,863,546,812.97
  5. Step 5: Solve for x
    x = 98,162,863,546,812.97/8,504,486.45
  6. Step 6: Final answer
    x = 11,542,479.86

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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.