Home / 12,525,221.44-17,284,805.12-7,093,763.20

Finding the Fourth Proportional to 12,525,221.44, 17,284,805.12 and 7,093,763.20

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Solution

The fourth proportional to 12,525,221.44, 17,284,805.12 and 7,093,763.20 is: 9,789,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525,221.44 : 17,284,805.12 = 7,093,763.20 : x
  2. Step 2: Convert to fraction form
    12,525,221.44/17,284,805.12 = 7,093,763.20/x
  3. Step 3: Cross multiply
    12,525,221.44x = 17,284,805.12 × 7,093,763.20
  4. Step 4: Simplify right side
    12,525,221.44x = 122,614,314,479,427.59
  5. Step 5: Solve for x
    x = 122,614,314,479,427.59/12,525,221.44
  6. Step 6: Final answer
    x = 9,789,392.95

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Double scale
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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.