Home / 7,420,120.56-11,114,183.88-5,010,716.16

Finding the Fourth Proportional to 7,420,120.56, 11,114,183.88 and 5,010,716.16

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Solution

The fourth proportional to 7,420,120.56, 11,114,183.88 and 5,010,716.16 is: 7,505,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,120.56 : 11,114,183.88 = 5,010,716.16 : x
  2. Step 2: Convert to fraction form
    7,420,120.56/11,114,183.88 = 5,010,716.16/x
  3. Step 3: Cross multiply
    7,420,120.56x = 11,114,183.88 × 5,010,716.16
  4. Step 4: Simplify right side
    7,420,120.56x = 55,690,020,772,727.51
  5. Step 5: Solve for x
    x = 55,690,020,772,727.51/7,420,120.56
  6. Step 6: Final answer
    x = 7,505,271.69

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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.