Home / 39,203,321.38-54,100,628.36-21,799,292.93

Finding the Fourth Proportional to 39,203,321.38, 54,100,628.36 and 21,799,292.93

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Solution

The fourth proportional to 39,203,321.38, 54,100,628.36 and 21,799,292.93 is: 30,083,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203,321.38 : 54,100,628.36 = 21,799,292.93 : x
  2. Step 2: Convert to fraction form
    39,203,321.38/54,100,628.36 = 21,799,292.93/x
  3. Step 3: Cross multiply
    39,203,321.38x = 54,100,628.36 × 21,799,292.93
  4. Step 4: Simplify right side
    39,203,321.38x = 1,179,355,445,316,705.50
  5. Step 5: Solve for x
    x = 1,179,355,445,316,705.50/39,203,321.38
  6. Step 6: Final answer
    x = 30,083,049.19

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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.