Finding the Fourth Proportional to 7,990,553.02, 11,019,609.34 and 5,236,240.09
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Solution
The fourth proportional to 7,990,553.02, 11,019,609.34 and 5,236,240.09 is: 7,221,192.33
Step by Step Solution
- Step 1: Write the proportion equation
7,990,553.02 : 11,019,609.34 = 5,236,240.09 : x - Step 2: Convert to fraction form
7,990,553.02/11,019,609.34 = 5,236,240.09/x - Step 3: Cross multiply
7,990,553.02x = 11,019,609.34 × 5,236,240.09 - Step 4: Simplify right side
7,990,553.02x = 57,701,320,202,246.44 - Step 5: Solve for x
x = 57,701,320,202,246.44/7,990,553.02 - Step 6: Final answer
x = 7,221,192.33
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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.