Finding the Fourth Proportional to 7,723,062.88, 11,586,467.22 and 2,331,391.12
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Solution
The fourth proportional to 7,723,062.88, 11,586,467.22 and 2,331,391.12 is: 3,497,652.06
Step by Step Solution
- Step 1: Write the proportion equation
7,723,062.88 : 11,586,467.22 = 2,331,391.12 : x - Step 2: Convert to fraction form
7,723,062.88/11,586,467.22 = 2,331,391.12/x - Step 3: Cross multiply
7,723,062.88x = 11,586,467.22 × 2,331,391.12 - Step 4: Simplify right side
7,723,062.88x = 27,012,586,788,879.09 - Step 5: Solve for x
x = 27,012,586,788,879.09/7,723,062.88 - Step 6: Final answer
x = 3,497,652.06
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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.