Home / 7,253,992.87-10,010,510.09-3,990,737.57

Finding the Fourth Proportional to 7,253,992.87, 10,010,510.09 and 3,990,737.57

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Solution

The fourth proportional to 7,253,992.87, 10,010,510.09 and 3,990,737.57 is: 5,507,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,992.87 : 10,010,510.09 = 3,990,737.57 : x
  2. Step 2: Convert to fraction form
    7,253,992.87/10,010,510.09 = 3,990,737.57/x
  3. Step 3: Cross multiply
    7,253,992.87x = 10,010,510.09 × 3,990,737.57
  4. Step 4: Simplify right side
    7,253,992.87x = 39,949,318,678,434.01
  5. Step 5: Solve for x
    x = 39,949,318,678,434.01/7,253,992.87
  6. Step 6: Final answer
    x = 5,507,217.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.