Finding the Fourth Proportional to 8,076,915.09, 11,146,214.01 and 4,405,847.97
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Solution
The fourth proportional to 8,076,915.09, 11,146,214.01 and 4,405,847.97 is: 6,080,109.03
Step by Step Solution
- Step 1: Write the proportion equation
8,076,915.09 : 11,146,214.01 = 4,405,847.97 : x - Step 2: Convert to fraction form
8,076,915.09/11,146,214.01 = 4,405,847.97/x - Step 3: Cross multiply
8,076,915.09x = 11,146,214.01 × 4,405,847.97 - Step 4: Simplify right side
8,076,915.09x = 49,108,524,369,144.05 - Step 5: Solve for x
x = 49,108,524,369,144.05/8,076,915.09 - Step 6: Final answer
x = 6,080,109.03
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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.