Home / 30,410,218.36-41,932,462.62-19,379,482.84

Finding the Fourth Proportional to 30,410,218.36, 41,932,462.62 and 19,379,482.84

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Solution

The fourth proportional to 30,410,218.36, 41,932,462.62 and 19,379,482.84 is: 26,722,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410,218.36 : 41,932,462.62 = 19,379,482.84 : x
  2. Step 2: Convert to fraction form
    30,410,218.36/41,932,462.62 = 19,379,482.84/x
  3. Step 3: Cross multiply
    30,410,218.36x = 41,932,462.62 × 19,379,482.84
  4. Step 4: Simplify right side
    30,410,218.36x = 812,629,439,783,231.38
  5. Step 5: Solve for x
    x = 812,629,439,783,231.38/30,410,218.36
  6. Step 6: Final answer
    x = 26,722,249.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.