Finding the Fourth Proportional to 18,081,861.96, 24,959,517.30 and 11,972,258.76
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Solution
The fourth proportional to 18,081,861.96, 24,959,517.30 and 11,972,258.76 is: 16,526,052.48
Step by Step Solution
- Step 1: Write the proportion equation
18,081,861.96 : 24,959,517.30 = 11,972,258.76 : x - Step 2: Convert to fraction form
18,081,861.96/24,959,517.30 = 11,972,258.76/x - Step 3: Cross multiply
18,081,861.96x = 24,959,517.30 × 11,972,258.76 - Step 4: Simplify right side
18,081,861.96x = 298,821,799,640,296.56 - Step 5: Solve for x
x = 298,821,799,640,296.56/18,081,861.96 - Step 6: Final answer
x = 16,526,052.48
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1.5x scale
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.