Finding the Fourth Proportional to 14,582,912.94, 21,853,833.21 and 11,157,939.18
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Solution
The fourth proportional to 14,582,912.94, 21,853,833.21 and 11,157,939.18 is: 16,721,195.75
Step by Step Solution
- Step 1: Write the proportion equation
14,582,912.94 : 21,853,833.21 = 11,157,939.18 : x - Step 2: Convert to fraction form
14,582,912.94/21,853,833.21 = 11,157,939.18/x - Step 3: Cross multiply
14,582,912.94x = 21,853,833.21 × 11,157,939.18 - Step 4: Simplify right side
14,582,912.94x = 243,843,741,807,044.16 - Step 5: Solve for x
x = 243,843,741,807,044.16/14,582,912.94 - Step 6: Final answer
x = 16,721,195.75
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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.