Home / 7,777,213.91-10,729,561.80-4,871,546.27

Finding the Fourth Proportional to 7,777,213.91, 10,729,561.80 and 4,871,546.27

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Solution

The fourth proportional to 7,777,213.91, 10,729,561.80 and 4,871,546.27 is: 6,720,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,213.91 : 10,729,561.80 = 4,871,546.27 : x
  2. Step 2: Convert to fraction form
    7,777,213.91/10,729,561.80 = 4,871,546.27/x
  3. Step 3: Cross multiply
    7,777,213.91x = 10,729,561.80 × 4,871,546.27
  4. Step 4: Simplify right side
    7,777,213.91x = 52,269,556,765,524.48
  5. Step 5: Solve for x
    x = 52,269,556,765,524.48/7,777,213.91
  6. Step 6: Final answer
    x = 6,720,858.83

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1.5x scale

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.