Finding the Fourth Proportional to 11,104,581.92, 15,324,364.08 and 6,459,481.40
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Solution
The fourth proportional to 11,104,581.92, 15,324,364.08 and 6,459,481.40 is: 8,914,108.20
Step by Step Solution
- Step 1: Write the proportion equation
11,104,581.92 : 15,324,364.08 = 6,459,481.40 : x - Step 2: Convert to fraction form
11,104,581.92/15,324,364.08 = 6,459,481.40/x - Step 3: Cross multiply
11,104,581.92x = 15,324,364.08 × 6,459,481.40 - Step 4: Simplify right side
11,104,581.92x = 98,987,444,741,588.12 - Step 5: Solve for x
x = 98,987,444,741,588.12/11,104,581.92 - Step 6: Final answer
x = 8,914,108.20
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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.