Finding the Fourth Proportional to 6,910,861.35, 10,366,292.03 and 6,804,573.15
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Solution
The fourth proportional to 6,910,861.35, 10,366,292.03 and 6,804,573.15 is: 10,206,859.73
Step by Step Solution
- Step 1: Write the proportion equation
6,910,861.35 : 10,366,292.03 = 6,804,573.15 : x - Step 2: Convert to fraction form
6,910,861.35/10,366,292.03 = 6,804,573.15/x - Step 3: Cross multiply
6,910,861.35x = 10,366,292.03 × 6,804,573.15 - Step 4: Simplify right side
6,910,861.35x = 70,538,192,412,397 - Step 5: Solve for x
x = 70,538,192,412,397/6,910,861.35 - Step 6: Final answer
x = 10,206,859.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.