Finding the Fourth Proportional to 8,490,845.46, 11,717,316.86 and 4,623,357.09
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Solution
The fourth proportional to 8,490,845.46, 11,717,316.86 and 4,623,357.09 is: 6,380,205.62
Step by Step Solution
- Step 1: Write the proportion equation
8,490,845.46 : 11,717,316.86 = 4,623,357.09 : x - Step 2: Convert to fraction form
8,490,845.46/11,717,316.86 = 4,623,357.09/x - Step 3: Cross multiply
8,490,845.46x = 11,717,316.86 × 4,623,357.09 - Step 4: Simplify right side
8,490,845.46x = 54,173,339,957,340.75 - Step 5: Solve for x
x = 54,173,339,957,340.75/8,490,845.46 - Step 6: Final answer
x = 6,380,205.62
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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.