Finding the Fourth Proportional to 8,532,616.68, 11,775,122.70 and 4,665,142.28
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Solution
The fourth proportional to 8,532,616.68, 11,775,122.70 and 4,665,142.28 is: 6,437,957.41
Step by Step Solution
- Step 1: Write the proportion equation
8,532,616.68 : 11,775,122.70 = 4,665,142.28 : x - Step 2: Convert to fraction form
8,532,616.68/11,775,122.70 = 4,665,142.28/x - Step 3: Cross multiply
8,532,616.68x = 11,775,122.70 × 4,665,142.28 - Step 4: Simplify right side
8,532,616.68x = 54,932,622,759,957.76 - Step 5: Solve for x
x = 54,932,622,759,957.76/8,532,616.68 - Step 6: Final answer
x = 6,437,957.41
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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.