Finding the Fourth Proportional to 8,302,390.05, 12,457,181.48 and 4,459,728.69
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Solution
The fourth proportional to 8,302,390.05, 12,457,181.48 and 4,459,728.69 is: 6,691,524.88
Step by Step Solution
- Step 1: Write the proportion equation
8,302,390.05 : 12,457,181.48 = 4,459,728.69 : x - Step 2: Convert to fraction form
8,302,390.05/12,457,181.48 = 4,459,728.69/x - Step 3: Cross multiply
8,302,390.05x = 12,457,181.48 × 4,459,728.69 - Step 4: Simplify right side
8,302,390.05x = 55,555,649,620,594.02 - Step 5: Solve for x
x = 55,555,649,620,594.02/8,302,390.05 - Step 6: Final answer
x = 6,691,524.88
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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.