Finding the Fourth Proportional to 13,327,620.97, 19,991,431.68 and 3,230,241.97
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Solution
The fourth proportional to 13,327,620.97, 19,991,431.68 and 3,230,241.97 is: 4,845,363.01
Step by Step Solution
- Step 1: Write the proportion equation
13,327,620.97 : 19,991,431.68 = 3,230,241.97 : x - Step 2: Convert to fraction form
13,327,620.97/19,991,431.68 = 3,230,241.97/x - Step 3: Cross multiply
13,327,620.97x = 19,991,431.68 × 3,230,241.97 - Step 4: Simplify right side
13,327,620.97x = 64,577,161,653,123.61 - Step 5: Solve for x
x = 64,577,161,653,123.61/13,327,620.97 - Step 6: Final answer
x = 4,845,363.01
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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.