Home / 33,509,859-46,247,349.93-20,286,321.89

Finding the Fourth Proportional to 33,509,859, 46,247,349.93 and 20,286,321.89

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Solution

The fourth proportional to 33,509,859, 46,247,349.93 and 20,286,321.89 is: 27,997,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,509,859 : 46,247,349.93 = 20,286,321.89 : x
  2. Step 2: Convert to fraction form
    33,509,859/46,247,349.93 = 20,286,321.89/x
  3. Step 3: Cross multiply
    33,509,859x = 46,247,349.93 × 20,286,321.89
  4. Step 4: Simplify right side
    33,509,859x = 938,188,627,239,449
  5. Step 5: Solve for x
    x = 938,188,627,239,449/33,509,859
  6. Step 6: Final answer
    x = 27,997,391.07

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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.