Home / 8,571,400.72-12,856,313.76-2,891,674.24

Finding the Fourth Proportional to 8,571,400.72, 12,856,313.76 and 2,891,674.24

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Solution

The fourth proportional to 8,571,400.72, 12,856,313.76 and 2,891,674.24 is: 4,337,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571,400.72 : 12,856,313.76 = 2,891,674.24 : x
  2. Step 2: Convert to fraction form
    8,571,400.72/12,856,313.76 = 2,891,674.24/x
  3. Step 3: Cross multiply
    8,571,400.72x = 12,856,313.76 × 2,891,674.24
  4. Step 4: Simplify right side
    8,571,400.72x = 37,176,271,321,149.55
  5. Step 5: Solve for x
    x = 37,176,271,321,149.55/8,571,400.72
  6. Step 6: Final answer
    x = 4,337,245.75

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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.