Finding the Fourth Proportional to 11,815,174.54, 17,722,764.87 and 3,728,783.08
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Solution
The fourth proportional to 11,815,174.54, 17,722,764.87 and 3,728,783.08 is: 5,593,175.59
Step by Step Solution
- Step 1: Write the proportion equation
11,815,174.54 : 17,722,764.87 = 3,728,783.08 : x - Step 2: Convert to fraction form
11,815,174.54/17,722,764.87 = 3,728,783.08/x - Step 3: Cross multiply
11,815,174.54x = 17,722,764.87 × 3,728,783.08 - Step 4: Simplify right side
11,815,174.54x = 66,084,345,778,074.41 - Step 5: Solve for x
x = 66,084,345,778,074.41/11,815,174.54 - Step 6: Final answer
x = 5,593,175.59
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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.