Home / 7,821,704.80-11,732,557.20-6,876,143.20

Finding the Fourth Proportional to 7,821,704.80, 11,732,557.20 and 6,876,143.20

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Solution

The fourth proportional to 7,821,704.80, 11,732,557.20 and 6,876,143.20 is: 10,314,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821,704.80 : 11,732,557.20 = 6,876,143.20 : x
  2. Step 2: Convert to fraction form
    7,821,704.80/11,732,557.20 = 6,876,143.20/x
  3. Step 3: Cross multiply
    7,821,704.80x = 11,732,557.20 × 6,876,143.20
  4. Step 4: Simplify right side
    7,821,704.80x = 80,674,743,409,391.03
  5. Step 5: Solve for x
    x = 80,674,743,409,391.03/7,821,704.80
  6. Step 6: Final answer
    x = 10,314,214.80

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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.