Finding the Fourth Proportional to 8,076,382.24, 11,145,442.40 and 4,405,377.74
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Solution
The fourth proportional to 8,076,382.24, 11,145,442.40 and 4,405,377.74 is: 6,079,440.32
Step by Step Solution
- Step 1: Write the proportion equation
8,076,382.24 : 11,145,442.40 = 4,405,377.74 : x - Step 2: Convert to fraction form
8,076,382.24/11,145,442.40 = 4,405,377.74/x - Step 3: Cross multiply
8,076,382.24x = 11,145,442.40 × 4,405,377.74 - Step 4: Simplify right side
8,076,382.24x = 49,099,883,851,412.18 - Step 5: Solve for x
x = 49,099,883,851,412.18/8,076,382.24 - Step 6: Final answer
x = 6,079,440.32
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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.