Finding the Fourth Proportional to 10,493,361.81, 15,728,102.91 and 6,385,623.14
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Solution
The fourth proportional to 10,493,361.81, 15,728,102.91 and 6,385,623.14 is: 9,571,168.87
Step by Step Solution
- Step 1: Write the proportion equation
10,493,361.81 : 15,728,102.91 = 6,385,623.14 : x - Step 2: Convert to fraction form
10,493,361.81/15,728,102.91 = 6,385,623.14/x - Step 3: Cross multiply
10,493,361.81x = 15,728,102.91 × 6,385,623.14 - Step 4: Simplify right side
10,493,361.81x = 100,433,737,929,717.59 - Step 5: Solve for x
x = 100,433,737,929,717.59/10,493,361.81 - Step 6: Final answer
x = 9,571,168.87
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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.