Home / 39,548,736.21-54,577,692.50-21,907,908.97

Finding the Fourth Proportional to 39,548,736.21, 54,577,692.50 and 21,907,908.97

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Solution

The fourth proportional to 39,548,736.21, 54,577,692.50 and 21,907,908.97 is: 30,233,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548,736.21 : 54,577,692.50 = 21,907,908.97 : x
  2. Step 2: Convert to fraction form
    39,548,736.21/54,577,692.50 = 21,907,908.97/x
  3. Step 3: Cross multiply
    39,548,736.21x = 54,577,692.50 × 21,907,908.97
  4. Step 4: Simplify right side
    39,548,736.21x = 1,195,683,118,836,668
  5. Step 5: Solve for x
    x = 1,195,683,118,836,668/39,548,736.21
  6. Step 6: Final answer
    x = 30,233,156.19

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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.