Finding the Fourth Proportional to 11,475,285.68, 17,207,951.88 and 3,900,217.52
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Solution
The fourth proportional to 11,475,285.68, 17,207,951.88 and 3,900,217.52 is: 5,848,634.82
Step by Step Solution
- Step 1: Write the proportion equation
11,475,285.68 : 17,207,951.88 = 3,900,217.52 : x - Step 2: Convert to fraction form
11,475,285.68/17,207,951.88 = 3,900,217.52/x - Step 3: Cross multiply
11,475,285.68x = 17,207,951.88 × 3,900,217.52 - Step 4: Simplify right side
11,475,285.68x = 67,114,755,405,692.94 - Step 5: Solve for x
x = 67,114,755,405,692.94/11,475,285.68 - Step 6: Final answer
x = 5,848,634.82
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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.