Finding the Fourth Proportional to 7,351,341.12, 11,019,811.68 and 4,114,459.44
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Solution
The fourth proportional to 7,351,341.12, 11,019,811.68 and 4,114,459.44 is: 6,167,659.40
Step by Step Solution
- Step 1: Write the proportion equation
7,351,341.12 : 11,019,811.68 = 4,114,459.44 : x - Step 2: Convert to fraction form
7,351,341.12/11,019,811.68 = 4,114,459.44/x - Step 3: Cross multiply
7,351,341.12x = 11,019,811.68 × 4,114,459.44 - Step 4: Simplify right side
7,351,341.12x = 45,340,568,193,798.26 - Step 5: Solve for x
x = 45,340,568,193,798.26/7,351,341.12 - Step 6: Final answer
x = 6,167,659.40
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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.