Home / 12,188,736.60-16,820,348.88-6,682,011.36

Finding the Fourth Proportional to 12,188,736.60, 16,820,348.88 and 6,682,011.36

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Solution

The fourth proportional to 12,188,736.60, 16,820,348.88 and 6,682,011.36 is: 9,221,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,736.60 : 16,820,348.88 = 6,682,011.36 : x
  2. Step 2: Convert to fraction form
    12,188,736.60/16,820,348.88 = 6,682,011.36/x
  3. Step 3: Cross multiply
    12,188,736.60x = 16,820,348.88 × 6,682,011.36
  4. Step 4: Simplify right side
    12,188,736.60x = 112,393,762,295,323.28
  5. Step 5: Solve for x
    x = 112,393,762,295,323.28/12,188,736.60
  6. Step 6: Final answer
    x = 9,221,116.67

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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.