Finding the Fourth Proportional to 5,327,835.16, 7,993,765.99 and 3,199,403.02
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Solution
The fourth proportional to 5,327,835.16, 7,993,765.99 and 3,199,403.02 is: 4,800,313.50
Step by Step Solution
- Step 1: Write the proportion equation
5,327,835.16 : 7,993,765.99 = 3,199,403.02 : x - Step 2: Convert to fraction form
5,327,835.16/7,993,765.99 = 3,199,403.02/x - Step 3: Cross multiply
5,327,835.16x = 7,993,765.99 × 3,199,403.02 - Step 4: Simplify right side
5,327,835.16x = 25,575,279,013,597.86 - Step 5: Solve for x
x = 25,575,279,013,597.86/5,327,835.16 - Step 6: Final answer
x = 4,800,313.50
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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.