Home / 8,197,611.20-12,296,416.80-8,085,636.80

Finding the Fourth Proportional to 8,197,611.20, 12,296,416.80 and 8,085,636.80

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Solution

The fourth proportional to 8,197,611.20, 12,296,416.80 and 8,085,636.80 is: 12,128,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,611.20 : 12,296,416.80 = 8,085,636.80 : x
  2. Step 2: Convert to fraction form
    8,197,611.20/12,296,416.80 = 8,085,636.80/x
  3. Step 3: Cross multiply
    8,197,611.20x = 12,296,416.80 × 8,085,636.80
  4. Step 4: Simplify right side
    8,197,611.20x = 99,424,360,186,218.25
  5. Step 5: Solve for x
    x = 99,424,360,186,218.25/8,197,611.20
  6. Step 6: Final answer
    x = 12,128,455.20

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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.