Finding the Fourth Proportional to 21,902,635.17, 32,851,442.70 and 5,730,147.09
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Solution
The fourth proportional to 21,902,635.17, 32,851,442.70 and 5,730,147.09 is: 8,594,563.96
Step by Step Solution
- Step 1: Write the proportion equation
21,902,635.17 : 32,851,442.70 = 5,730,147.09 : x - Step 2: Convert to fraction form
21,902,635.17/32,851,442.70 = 5,730,147.09/x - Step 3: Cross multiply
21,902,635.17x = 32,851,442.70 × 5,730,147.09 - Step 4: Simplify right side
21,902,635.17x = 188,243,598,789,706.72 - Step 5: Solve for x
x = 188,243,598,789,706.72/21,902,635.17 - Step 6: Final answer
x = 8,594,563.96
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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.