Finding the Fourth Proportional to 8,289,135.69, 12,375,420.63 and 6,333,629.97
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Solution
The fourth proportional to 8,289,135.69, 12,375,420.63 and 6,333,629.97 is: 9,455,911.69
Step by Step Solution
- Step 1: Write the proportion equation
8,289,135.69 : 12,375,420.63 = 6,333,629.97 : x - Step 2: Convert to fraction form
8,289,135.69/12,375,420.63 = 6,333,629.97/x - Step 3: Cross multiply
8,289,135.69x = 12,375,420.63 × 6,333,629.97 - Step 4: Simplify right side
8,289,135.69x = 78,381,335,016,181 - Step 5: Solve for x
x = 78,381,335,016,181/8,289,135.69 - Step 6: Final answer
x = 9,455,911.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.