Finding the Fourth Proportional to 7,305,167.54, 10,081,428.34 and 4,041,929.18
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Solution
The fourth proportional to 7,305,167.54, 10,081,428.34 and 4,041,929.18 is: 5,578,026.67
Step by Step Solution
- Step 1: Write the proportion equation
7,305,167.54 : 10,081,428.34 = 4,041,929.18 : x - Step 2: Convert to fraction form
7,305,167.54/10,081,428.34 = 4,041,929.18/x - Step 3: Cross multiply
7,305,167.54x = 10,081,428.34 × 4,041,929.18 - Step 4: Simplify right side
7,305,167.54x = 40,748,419,383,524.96 - Step 5: Solve for x
x = 40,748,419,383,524.96/7,305,167.54 - Step 6: Final answer
x = 5,578,026.67
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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.