Finding the Fourth Proportional to 7,796,858.12, 10,755,344.43 and 4,533,312.05
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Solution
The fourth proportional to 7,796,858.12, 10,755,344.43 and 4,533,312.05 is: 6,253,458.99
Step by Step Solution
- Step 1: Write the proportion equation
7,796,858.12 : 10,755,344.43 = 4,533,312.05 : x - Step 2: Convert to fraction form
7,796,858.12/10,755,344.43 = 4,533,312.05/x - Step 3: Cross multiply
7,796,858.12x = 10,755,344.43 × 4,533,312.05 - Step 4: Simplify right side
7,796,858.12x = 48,757,332,452,642.66 - Step 5: Solve for x
x = 48,757,332,452,642.66/7,796,858.12 - Step 6: Final answer
x = 6,253,458.99
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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.