Finding the Fourth Proportional to 11,451,220.50, 15,802,717.10 and 6,556,517.68
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Solution
The fourth proportional to 11,451,220.50, 15,802,717.10 and 6,556,517.68 is: 9,048,013.18
Step by Step Solution
- Step 1: Write the proportion equation
11,451,220.50 : 15,802,717.10 = 6,556,517.68 : x - Step 2: Convert to fraction form
11,451,220.50/15,802,717.10 = 6,556,517.68/x - Step 3: Cross multiply
11,451,220.50x = 15,802,717.10 × 6,556,517.68 - Step 4: Simplify right side
11,451,220.50x = 103,610,794,058,188.33 - Step 5: Solve for x
x = 103,610,794,058,188.33/11,451,220.50 - Step 6: Final answer
x = 9,048,013.18
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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.