Finding the Fourth Proportional to 8,076,806.97, 11,146,064.75 and 4,405,739.87
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Solution
The fourth proportional to 8,076,806.97, 11,146,064.75 and 4,405,739.87 is: 6,079,959.82
Step by Step Solution
- Step 1: Write the proportion equation
8,076,806.97 : 11,146,064.75 = 4,405,739.87 : x - Step 2: Convert to fraction form
8,076,806.97/11,146,064.75 = 4,405,739.87/x - Step 3: Cross multiply
8,076,806.97x = 11,146,064.75 × 4,405,739.87 - Step 4: Simplify right side
8,076,806.97x = 49,106,661,847,120.24 - Step 5: Solve for x
x = 49,106,661,847,120.24/8,076,806.97 - Step 6: Final answer
x = 6,079,959.82
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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.