Home / 7,882,392.80-11,823,589.20-7,705,245.80

Finding the Fourth Proportional to 7,882,392.80, 11,823,589.20 and 7,705,245.80

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Solution

The fourth proportional to 7,882,392.80, 11,823,589.20 and 7,705,245.80 is: 11,557,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,392.80 : 11,823,589.20 = 7,705,245.80 : x
  2. Step 2: Convert to fraction form
    7,882,392.80/11,823,589.20 = 7,705,245.80/x
  3. Step 3: Cross multiply
    7,882,392.80x = 11,823,589.20 × 7,705,245.80
  4. Step 4: Simplify right side
    7,882,392.80x = 91,103,661,024,225.36
  5. Step 5: Solve for x
    x = 91,103,661,024,225.36/7,882,392.80
  6. Step 6: Final answer
    x = 11,557,868.70

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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.