Finding the Fourth Proportional to 21,632,236.96, 29,852,440.96 and 11,842,601.68
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Solution
The fourth proportional to 21,632,236.96, 29,852,440.96 and 11,842,601.68 is: 16,342,765.11
Step by Step Solution
- Step 1: Write the proportion equation
21,632,236.96 : 29,852,440.96 = 11,842,601.68 : x - Step 2: Convert to fraction form
21,632,236.96/29,852,440.96 = 11,842,601.68/x - Step 3: Cross multiply
21,632,236.96x = 29,852,440.96 × 11,842,601.68 - Step 4: Simplify right side
21,632,236.96x = 353,530,567,464,996.81 - Step 5: Solve for x
x = 353,530,567,464,996.81/21,632,236.96 - Step 6: Final answer
x = 16,342,765.11
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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.