Finding the Fourth Proportional to 13,487,556.24, 20,230,530.84 and 3,902,716.08
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Solution
The fourth proportional to 13,487,556.24, 20,230,530.84 and 3,902,716.08 is: 5,853,841.62
Step by Step Solution
- Step 1: Write the proportion equation
13,487,556.24 : 20,230,530.84 = 3,902,716.08 : x - Step 2: Convert to fraction form
13,487,556.24/20,230,530.84 = 3,902,716.08/x - Step 3: Cross multiply
13,487,556.24x = 20,230,530.84 × 3,902,716.08 - Step 4: Simplify right side
13,487,556.24x = 78,954,018,016,203.91 - Step 5: Solve for x
x = 78,954,018,016,203.91/13,487,556.24 - Step 6: Final answer
x = 5,853,841.62
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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.