Home / 39,203,319.32-54,100,625.61-21,799,290.87

Finding the Fourth Proportional to 39,203,319.32, 54,100,625.61 and 21,799,290.87

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Solution

The fourth proportional to 39,203,319.32, 54,100,625.61 and 21,799,290.87 is: 30,083,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203,319.32 : 54,100,625.61 = 21,799,290.87 : x
  2. Step 2: Convert to fraction form
    39,203,319.32/54,100,625.61 = 21,799,290.87/x
  3. Step 3: Cross multiply
    39,203,319.32x = 54,100,625.61 × 21,799,290.87
  4. Step 4: Simplify right side
    39,203,319.32x = 1,179,355,274,032,564.50
  5. Step 5: Solve for x
    x = 1,179,355,274,032,564.50/39,203,319.32
  6. Step 6: Final answer
    x = 30,083,046.40

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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.