Home / 8,640,253.87-11,923,912.35-4,969,172.93

Finding the Fourth Proportional to 8,640,253.87, 11,923,912.35 and 4,969,172.93

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Solution

The fourth proportional to 8,640,253.87, 11,923,912.35 and 4,969,172.93 is: 6,857,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,253.87 : 11,923,912.35 = 4,969,172.93 : x
  2. Step 2: Convert to fraction form
    8,640,253.87/11,923,912.35 = 4,969,172.93/x
  3. Step 3: Cross multiply
    8,640,253.87x = 11,923,912.35 × 4,969,172.93
  4. Step 4: Simplify right side
    8,640,253.87x = 59,251,982,469,312.68
  5. Step 5: Solve for x
    x = 59,251,982,469,312.68/8,640,253.87
  6. Step 6: Final answer
    x = 6,857,666.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.