Home / 19,858,857.57-27,407,986.07-11,157,703.65

Finding the Fourth Proportional to 19,858,857.57, 27,407,986.07 and 11,157,703.65

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Solution

The fourth proportional to 19,858,857.57, 27,407,986.07 and 11,157,703.65 is: 15,399,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858,857.57 : 27,407,986.07 = 11,157,703.65 : x
  2. Step 2: Convert to fraction form
    19,858,857.57/27,407,986.07 = 11,157,703.65/x
  3. Step 3: Cross multiply
    19,858,857.57x = 27,407,986.07 × 11,157,703.65
  4. Step 4: Simplify right side
    19,858,857.57x = 305,810,186,156,599.69
  5. Step 5: Solve for x
    x = 305,810,186,156,599.69/19,858,857.57
  6. Step 6: Final answer
    x = 15,399,183.21

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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.