Home / 7,882,865.80-11,826,048.30-3,622,006.60

Finding the Fourth Proportional to 7,882,865.80, 11,826,048.30 and 3,622,006.60

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Solution

The fourth proportional to 7,882,865.80, 11,826,048.30 and 3,622,006.60 is: 5,433,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,865.80 : 11,826,048.30 = 3,622,006.60 : x
  2. Step 2: Convert to fraction form
    7,882,865.80/11,826,048.30 = 3,622,006.60/x
  3. Step 3: Cross multiply
    7,882,865.80x = 11,826,048.30 × 3,622,006.60
  4. Step 4: Simplify right side
    7,882,865.80x = 42,834,024,994,518.78
  5. Step 5: Solve for x
    x = 42,834,024,994,518.78/7,882,865.80
  6. Step 6: Final answer
    x = 5,433,813.80

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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.