Home / 12,062,126.40-18,093,189.60-7,267,347.60

Finding the Fourth Proportional to 12,062,126.40, 18,093,189.60 and 7,267,347.60

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Solution

The fourth proportional to 12,062,126.40, 18,093,189.60 and 7,267,347.60 is: 10,901,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062,126.40 : 18,093,189.60 = 7,267,347.60 : x
  2. Step 2: Convert to fraction form
    12,062,126.40/18,093,189.60 = 7,267,347.60/x
  3. Step 3: Cross multiply
    12,062,126.40x = 18,093,189.60 × 7,267,347.60
  4. Step 4: Simplify right side
    12,062,126.40x = 131,489,498,015,904.97
  5. Step 5: Solve for x
    x = 131,489,498,015,904.97/12,062,126.40
  6. Step 6: Final answer
    x = 10,901,021.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.