Finding the Fourth Proportional to 8,076,912.09, 11,146,209.87 and 4,405,844.97
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Solution
The fourth proportional to 8,076,912.09, 11,146,209.87 and 4,405,844.97 is: 6,080,104.89
Step by Step Solution
- Step 1: Write the proportion equation
8,076,912.09 : 11,146,209.87 = 4,405,844.97 : x - Step 2: Convert to fraction form
8,076,912.09/11,146,209.87 = 4,405,844.97/x - Step 3: Cross multiply
8,076,912.09x = 11,146,209.87 × 4,405,844.97 - Step 4: Simplify right side
8,076,912.09x = 49,108,472,690,303.84 - Step 5: Solve for x
x = 49,108,472,690,303.84/8,076,912.09 - Step 6: Final answer
x = 6,080,104.89
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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.