Finding the Fourth Proportional to 16,313,073.62, 22,511,565.50 and 8,970,899.09
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Solution
The fourth proportional to 16,313,073.62, 22,511,565.50 and 8,970,899.09 is: 12,379,578.92
Step by Step Solution
- Step 1: Write the proportion equation
16,313,073.62 : 22,511,565.50 = 8,970,899.09 : x - Step 2: Convert to fraction form
16,313,073.62/22,511,565.50 = 8,970,899.09/x - Step 3: Cross multiply
16,313,073.62x = 22,511,565.50 × 8,970,899.09 - Step 4: Simplify right side
16,313,073.62x = 201,948,982,301,013.09 - Step 5: Solve for x
x = 201,948,982,301,013.09/16,313,073.62 - Step 6: Final answer
x = 12,379,578.92
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1.5x scale
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.