Finding the Fourth Proportional to 18,252,302.67, 25,188,138.27 and 9,992,298
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Solution
The fourth proportional to 18,252,302.67, 25,188,138.27 and 9,992,298 is: 13,789,349.66
Step by Step Solution
- Step 1: Write the proportion equation
18,252,302.67 : 25,188,138.27 = 9,992,298 : x - Step 2: Convert to fraction form
18,252,302.67/25,188,138.27 = 9,992,298/x - Step 3: Cross multiply
18,252,302.67x = 25,188,138.27 × 9,992,298 - Step 4: Simplify right side
18,252,302.67x = 251,687,383,659,044.47 - Step 5: Solve for x
x = 251,687,383,659,044.47/18,252,302.67 - Step 6: Final answer
x = 13,789,349.66
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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.