Finding the Fourth Proportional to 16,383,785.91, 22,618,124.22 and 11,968,553.79
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Solution
The fourth proportional to 16,383,785.91, 22,618,124.22 and 11,968,553.79 is: 16,522,813.34
Step by Step Solution
- Step 1: Write the proportion equation
16,383,785.91 : 22,618,124.22 = 11,968,553.79 : x - Step 2: Convert to fraction form
16,383,785.91/22,618,124.22 = 11,968,553.79/x - Step 3: Cross multiply
16,383,785.91x = 22,618,124.22 × 11,968,553.79 - Step 4: Simplify right side
16,383,785.91x = 270,706,236,355,971.75 - Step 5: Solve for x
x = 270,706,236,355,971.75/16,383,785.91 - Step 6: Final answer
x = 16,522,813.34
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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.