Finding the Fourth Proportional to 8,193,943.68, 11,307,579.93 and 4,522,859.79
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Solution
The fourth proportional to 8,193,943.68, 11,307,579.93 and 4,522,859.79 is: 6,241,512.10
Step by Step Solution
- Step 1: Write the proportion equation
8,193,943.68 : 11,307,579.93 = 4,522,859.79 : x - Step 2: Convert to fraction form
8,193,943.68/11,307,579.93 = 4,522,859.79/x - Step 3: Cross multiply
8,193,943.68x = 11,307,579.93 × 4,522,859.79 - Step 4: Simplify right side
8,193,943.68x = 51,142,598,587,608.02 - Step 5: Solve for x
x = 51,142,598,587,608.02/8,193,943.68 - Step 6: Final answer
x = 6,241,512.10
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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.