Finding the Fourth Proportional to 8,284,674.45, 11,426,961.24 and 5,529,972.99
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Solution
The fourth proportional to 8,284,674.45, 11,426,961.24 and 5,529,972.99 is: 7,627,431.52
Step by Step Solution
- Step 1: Write the proportion equation
8,284,674.45 : 11,426,961.24 = 5,529,972.99 : x - Step 2: Convert to fraction form
8,284,674.45/11,426,961.24 = 5,529,972.99/x - Step 3: Cross multiply
8,284,674.45x = 11,426,961.24 × 5,529,972.99 - Step 4: Simplify right side
8,284,674.45x = 63,190,787,014,976.91 - Step 5: Solve for x
x = 63,190,787,014,976.91/8,284,674.45 - Step 6: Final answer
x = 7,627,431.52
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1.5x scale
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.