Home / 7,429,382.15-11,142,227.61-4,192,340.85

Finding the Fourth Proportional to 7,429,382.15, 11,142,227.61 and 4,192,340.85

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Solution

The fourth proportional to 7,429,382.15, 11,142,227.61 and 4,192,340.85 is: 6,287,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,382.15 : 11,142,227.61 = 4,192,340.85 : x
  2. Step 2: Convert to fraction form
    7,429,382.15/11,142,227.61 = 4,192,340.85/x
  3. Step 3: Cross multiply
    7,429,382.15x = 11,142,227.61 × 4,192,340.85
  4. Step 4: Simplify right side
    7,429,382.15x = 46,712,015,969,400.87
  5. Step 5: Solve for x
    x = 46,712,015,969,400.87/7,429,382.15
  6. Step 6: Final answer
    x = 6,287,469.81

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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.