Finding the Fourth Proportional to 8,236,405.43, 11,366,219.84 and 4,515,229.88
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Solution
The fourth proportional to 8,236,405.43, 11,366,219.84 and 4,515,229.88 is: 6,231,006.45
Step by Step Solution
- Step 1: Write the proportion equation
8,236,405.43 : 11,366,219.84 = 4,515,229.88 : x - Step 2: Convert to fraction form
8,236,405.43/11,366,219.84 = 4,515,229.88/x - Step 3: Cross multiply
8,236,405.43x = 11,366,219.84 × 4,515,229.88 - Step 4: Simplify right side
8,236,405.43x = 51,321,095,364,809.58 - Step 5: Solve for x
x = 51,321,095,364,809.58/8,236,405.43 - Step 6: Final answer
x = 6,231,006.45
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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.