Home / 19,416,998.40-29,135,995.20-8,635,963.20

Finding the Fourth Proportional to 19,416,998.40, 29,135,995.20 and 8,635,963.20

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Solution

The fourth proportional to 19,416,998.40, 29,135,995.20 and 8,635,963.20 is: 12,958,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416,998.40 : 29,135,995.20 = 8,635,963.20 : x
  2. Step 2: Convert to fraction form
    19,416,998.40/29,135,995.20 = 8,635,963.20/x
  3. Step 3: Cross multiply
    19,416,998.40x = 29,135,995.20 × 8,635,963.20
  4. Step 4: Simplify right side
    19,416,998.40x = 251,617,382,342,576.62
  5. Step 5: Solve for x
    x = 251,617,382,342,576.62/19,416,998.40
  6. Step 6: Final answer
    x = 12,958,613.74

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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.