Home / 39,203,321.07-54,100,628.03-21,799,292.62

Finding the Fourth Proportional to 39,203,321.07, 54,100,628.03 and 21,799,292.62

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Solution

The fourth proportional to 39,203,321.07, 54,100,628.03 and 21,799,292.62 is: 30,083,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203,321.07 : 54,100,628.03 = 21,799,292.62 : x
  2. Step 2: Convert to fraction form
    39,203,321.07/54,100,628.03 = 21,799,292.62/x
  3. Step 3: Cross multiply
    39,203,321.07x = 54,100,628.03 × 21,799,292.62
  4. Step 4: Simplify right side
    39,203,321.07x = 1,179,355,421,351,744.25
  5. Step 5: Solve for x
    x = 1,179,355,421,351,744.25/39,203,321.07
  6. Step 6: Final answer
    x = 30,083,048.81

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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.