Finding the Fourth Proportional to 8,194,918.29, 11,309,612.81 and 4,524,541.53
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Solution
The fourth proportional to 8,194,918.29, 11,309,612.81 and 4,524,541.53 is: 6,244,212.70
Step by Step Solution
- Step 1: Write the proportion equation
8,194,918.29 : 11,309,612.81 = 4,524,541.53 : x - Step 2: Convert to fraction form
8,194,918.29/11,309,612.81 = 4,524,541.53/x - Step 3: Cross multiply
8,194,918.29x = 11,309,612.81 × 4,524,541.53 - Step 4: Simplify right side
8,194,918.29x = 51,170,812,847,065.01 - Step 5: Solve for x
x = 51,170,812,847,065.01/8,194,918.29 - Step 6: Final answer
x = 6,244,212.70
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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.