Home / 11,491,816.80-17,237,725.20-8,090,594.40

Finding the Fourth Proportional to 11,491,816.80, 17,237,725.20 and 8,090,594.40

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Solution

The fourth proportional to 11,491,816.80, 17,237,725.20 and 8,090,594.40 is: 12,135,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,816.80 : 17,237,725.20 = 8,090,594.40 : x
  2. Step 2: Convert to fraction form
    11,491,816.80/17,237,725.20 = 8,090,594.40/x
  3. Step 3: Cross multiply
    11,491,816.80x = 17,237,725.20 × 8,090,594.40
  4. Step 4: Simplify right side
    11,491,816.80x = 139,463,442,971,858.88
  5. Step 5: Solve for x
    x = 139,463,442,971,858.88/11,491,816.80
  6. Step 6: Final answer
    x = 12,135,891.60

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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.