Home / 8,188,891.20-12,283,336.80-6,299,323.20

Finding the Fourth Proportional to 8,188,891.20, 12,283,336.80 and 6,299,323.20

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Solution

The fourth proportional to 8,188,891.20, 12,283,336.80 and 6,299,323.20 is: 9,448,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,891.20 : 12,283,336.80 = 6,299,323.20 : x
  2. Step 2: Convert to fraction form
    8,188,891.20/12,283,336.80 = 6,299,323.20/x
  3. Step 3: Cross multiply
    8,188,891.20x = 12,283,336.80 × 6,299,323.20
  4. Step 4: Simplify right side
    8,188,891.20x = 77,376,708,477,653.77
  5. Step 5: Solve for x
    x = 77,376,708,477,653.77/8,188,891.20
  6. Step 6: Final answer
    x = 9,448,984.80

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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.