Finding the Fourth Proportional to 22,102,982.08, 30,494,025.12 and 13,394,872.96
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Solution
The fourth proportional to 22,102,982.08, 30,494,025.12 and 13,394,872.96 is: 18,480,021.88
Step by Step Solution
- Step 1: Write the proportion equation
22,102,982.08 : 30,494,025.12 = 13,394,872.96 : x - Step 2: Convert to fraction form
22,102,982.08/30,494,025.12 = 13,394,872.96/x - Step 3: Cross multiply
22,102,982.08x = 30,494,025.12 × 13,394,872.96 - Step 4: Simplify right side
22,102,982.08x = 408,463,592,521,448.81 - Step 5: Solve for x
x = 408,463,592,521,448.81/22,102,982.08 - Step 6: Final answer
x = 18,480,021.88
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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.