Home / 33,642,124.10-50,463,186.15-20,728,107.80

Finding the Fourth Proportional to 33,642,124.10, 50,463,186.15 and 20,728,107.80

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Solution

The fourth proportional to 33,642,124.10, 50,463,186.15 and 20,728,107.80 is: 31,092,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642,124.10 : 50,463,186.15 = 20,728,107.80 : x
  2. Step 2: Convert to fraction form
    33,642,124.10/50,463,186.15 = 20,728,107.80/x
  3. Step 3: Cross multiply
    33,642,124.10x = 50,463,186.15 × 20,728,107.80
  4. Step 4: Simplify right side
    33,642,124.10x = 1,046,006,362,196,351.12
  5. Step 5: Solve for x
    x = 1,046,006,362,196,351.12/33,642,124.10
  6. Step 6: Final answer
    x = 31,092,161.70

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Double scale
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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.