Finding the Fourth Proportional to 7,486,775.96, 10,331,757.72 and 4,049,016.99
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Solution
The fourth proportional to 7,486,775.96, 10,331,757.72 and 4,049,016.99 is: 5,587,647.18
Step by Step Solution
- Step 1: Write the proportion equation
7,486,775.96 : 10,331,757.72 = 4,049,016.99 : x - Step 2: Convert to fraction form
7,486,775.96/10,331,757.72 = 4,049,016.99/x - Step 3: Cross multiply
7,486,775.96x = 10,331,757.72 × 4,049,016.99 - Step 4: Simplify right side
7,486,775.96x = 41,833,462,568,403.95 - Step 5: Solve for x
x = 41,833,462,568,403.95/7,486,775.96 - Step 6: Final answer
x = 5,587,647.18
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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.