Home / 7,487,163.86-11,231,986.87-2,628,210.04

Finding the Fourth Proportional to 7,487,163.86, 11,231,986.87 and 2,628,210.04

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Solution

The fourth proportional to 7,487,163.86, 11,231,986.87 and 2,628,210.04 is: 3,942,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,163.86 : 11,231,986.87 = 2,628,210.04 : x
  2. Step 2: Convert to fraction form
    7,487,163.86/11,231,986.87 = 2,628,210.04/x
  3. Step 3: Cross multiply
    7,487,163.86x = 11,231,986.87 × 2,628,210.04
  4. Step 4: Simplify right side
    7,487,163.86x = 29,520,020,636,087.47
  5. Step 5: Solve for x
    x = 29,520,020,636,087.47/7,487,163.86
  6. Step 6: Final answer
    x = 3,942,750.71

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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.