Home / 7,770,846.60-11,651,604.30-3,991,710.60

Finding the Fourth Proportional to 7,770,846.60, 11,651,604.30 and 3,991,710.60

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Solution

The fourth proportional to 7,770,846.60, 11,651,604.30 and 3,991,710.60 is: 5,985,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,846.60 : 11,651,604.30 = 3,991,710.60 : x
  2. Step 2: Convert to fraction form
    7,770,846.60/11,651,604.30 = 3,991,710.60/x
  3. Step 3: Cross multiply
    7,770,846.60x = 11,651,604.30 × 3,991,710.60
  4. Step 4: Simplify right side
    7,770,846.60x = 46,509,832,391,315.59
  5. Step 5: Solve for x
    x = 46,509,832,391,315.59/7,770,846.60
  6. Step 6: Final answer
    x = 5,985,169.29

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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.