Home / 9,126,729.45-12,595,586.12-5,206,571.85

Finding the Fourth Proportional to 9,126,729.45, 12,595,586.12 and 5,206,571.85

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Solution

The fourth proportional to 9,126,729.45, 12,595,586.12 and 5,206,571.85 is: 7,185,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126,729.45 : 12,595,586.12 = 5,206,571.85 : x
  2. Step 2: Convert to fraction form
    9,126,729.45/12,595,586.12 = 5,206,571.85/x
  3. Step 3: Cross multiply
    9,126,729.45x = 12,595,586.12 × 5,206,571.85
  4. Step 4: Simplify right side
    9,126,729.45x = 65,579,824,100,609.86
  5. Step 5: Solve for x
    x = 65,579,824,100,609.86/9,126,729.45
  6. Step 6: Final answer
    x = 7,185,468.19

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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.