Finding the Fourth Proportional to 8,182,943.30, 11,292,550.40 and 4,511,866.98
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Solution
The fourth proportional to 8,182,943.30, 11,292,550.40 and 4,511,866.98 is: 6,226,425.31
Step by Step Solution
- Step 1: Write the proportion equation
8,182,943.30 : 11,292,550.40 = 4,511,866.98 : x - Step 2: Convert to fraction form
8,182,943.30/11,292,550.40 = 4,511,866.98/x - Step 3: Cross multiply
8,182,943.30x = 11,292,550.40 × 4,511,866.98 - Step 4: Simplify right side
8,182,943.30x = 50,950,485,269,745.80 - Step 5: Solve for x
x = 50,950,485,269,745.80/8,182,943.30 - Step 6: Final answer
x = 6,226,425.31
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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.