Finding the Fourth Proportional to 16,321,476.27, 22,523,637.09 and 8,979,151.68
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Solution
The fourth proportional to 16,321,476.27, 22,523,637.09 and 8,979,151.68 is: 12,391,229.23
Step by Step Solution
- Step 1: Write the proportion equation
16,321,476.27 : 22,523,637.09 = 8,979,151.68 : x - Step 2: Convert to fraction form
16,321,476.27/22,523,637.09 = 8,979,151.68/x - Step 3: Cross multiply
16,321,476.27x = 22,523,637.09 × 8,979,151.68 - Step 4: Simplify right side
16,321,476.27x = 202,243,153,816,383.81 - Step 5: Solve for x
x = 202,243,153,816,383.81/16,321,476.27 - Step 6: Final answer
x = 12,391,229.23
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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.