Finding the Fourth Proportional to 11,815,182.62, 17,722,776.96 and 3,728,791.13
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Solution
The fourth proportional to 11,815,182.62, 17,722,776.96 and 3,728,791.13 is: 5,593,187.65
Step by Step Solution
- Step 1: Write the proportion equation
11,815,182.62 : 17,722,776.96 = 3,728,791.13 : x - Step 2: Convert to fraction form
11,815,182.62/17,722,776.96 = 3,728,791.13/x - Step 3: Cross multiply
11,815,182.62x = 17,722,776.96 × 3,728,791.13 - Step 4: Simplify right side
11,815,182.62x = 66,084,533,438,802.48 - Step 5: Solve for x
x = 66,084,533,438,802.48/11,815,182.62 - Step 6: Final answer
x = 5,593,187.65
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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.