Finding the Fourth Proportional to 10,647,657.09, 14,676,552.27 and 8,320,504.95
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Solution
The fourth proportional to 10,647,657.09, 14,676,552.27 and 8,320,504.95 is: 11,468,844.72
Step by Step Solution
- Step 1: Write the proportion equation
10,647,657.09 : 14,676,552.27 = 8,320,504.95 : x - Step 2: Convert to fraction form
10,647,657.09/14,676,552.27 = 8,320,504.95/x - Step 3: Cross multiply
10,647,657.09x = 14,676,552.27 × 8,320,504.95 - Step 4: Simplify right side
10,647,657.09x = 122,116,325,811,468.73 - Step 5: Solve for x
x = 122,116,325,811,468.73/10,647,657.09 - Step 6: Final answer
x = 11,468,844.72
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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.