Finding the Fourth Proportional to 11,324,062.22, 15,628,612.68 and 6,430,856.09
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Solution
The fourth proportional to 11,324,062.22, 15,628,612.68 and 6,430,856.09 is: 8,875,380.32
Step by Step Solution
- Step 1: Write the proportion equation
11,324,062.22 : 15,628,612.68 = 6,430,856.09 : x - Step 2: Convert to fraction form
11,324,062.22/15,628,612.68 = 6,430,856.09/x - Step 3: Cross multiply
11,324,062.22x = 15,628,612.68 × 6,430,856.09 - Step 4: Simplify right side
11,324,062.22x = 100,505,358,953,286.16 - Step 5: Solve for x
x = 100,505,358,953,286.16/11,324,062.22 - Step 6: Final answer
x = 8,875,380.32
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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.