Finding the Fourth Proportional to 16,416,120.56, 22,653,850.92 and 8,973,451.76
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Solution
The fourth proportional to 16,416,120.56, 22,653,850.92 and 8,973,451.76 is: 12,383,147.26
Step by Step Solution
- Step 1: Write the proportion equation
16,416,120.56 : 22,653,850.92 = 8,973,451.76 : x - Step 2: Convert to fraction form
16,416,120.56/22,653,850.92 = 8,973,451.76/x - Step 3: Cross multiply
16,416,120.56x = 22,653,850.92 × 8,973,451.76 - Step 4: Simplify right side
16,416,120.56x = 203,283,238,408,851.62 - Step 5: Solve for x
x = 203,283,238,408,851.62/16,416,120.56 - Step 6: Final answer
x = 12,383,147.26
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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.