Finding the Fourth Proportional to 7,351,265.17, 11,016,961.88 and 2,799,831.09
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Solution
The fourth proportional to 7,351,265.17, 11,016,961.88 and 2,799,831.09 is: 4,195,962.42
Step by Step Solution
- Step 1: Write the proportion equation
7,351,265.17 : 11,016,961.88 = 2,799,831.09 : x - Step 2: Convert to fraction form
7,351,265.17/11,016,961.88 = 2,799,831.09/x - Step 3: Cross multiply
7,351,265.17x = 11,016,961.88 × 2,799,831.09 - Step 4: Simplify right side
7,351,265.17x = 30,845,632,388,968.85 - Step 5: Solve for x
x = 30,845,632,388,968.85/7,351,265.17 - Step 6: Final answer
x = 4,195,962.42
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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.