Finding the Fourth Proportional to 19,632,847.23, 27,033,240.92 and 19,576,160.19
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Solution
The fourth proportional to 19,632,847.23, 27,033,240.92 and 19,576,160.19 is: 26,955,186.30
Step by Step Solution
- Step 1: Write the proportion equation
19,632,847.23 : 27,033,240.92 = 19,576,160.19 : x - Step 2: Convert to fraction form
19,632,847.23/27,033,240.92 = 19,576,160.19/x - Step 3: Cross multiply
19,632,847.23x = 27,033,240.92 × 19,576,160.19 - Step 4: Simplify right side
19,632,847.23x = 529,207,054,606,902.19 - Step 5: Solve for x
x = 529,207,054,606,902.19/19,632,847.23 - Step 6: Final answer
x = 26,955,186.30
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1.5x scale
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.