Finding the Fourth Proportional to 7,777,213.66, 10,729,561.46 and 4,871,546.02
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Solution
The fourth proportional to 7,777,213.66, 10,729,561.46 and 4,871,546.02 is: 6,720,858.48
Step by Step Solution
- Step 1: Write the proportion equation
7,777,213.66 : 10,729,561.46 = 4,871,546.02 : x - Step 2: Convert to fraction form
7,777,213.66/10,729,561.46 = 4,871,546.02/x - Step 3: Cross multiply
7,777,213.66x = 10,729,561.46 × 4,871,546.02 - Step 4: Simplify right side
7,777,213.66x = 52,269,552,375,626.76 - Step 5: Solve for x
x = 52,269,552,375,626.76/7,777,213.66 - Step 6: Final answer
x = 6,720,858.48
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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.