Finding the Fourth Proportional to 16,057,843.12, 22,159,767.30 and 8,715,676.24
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Solution
The fourth proportional to 16,057,843.12, 22,159,767.30 and 8,715,676.24 is: 12,027,602.70
Step by Step Solution
- Step 1: Write the proportion equation
16,057,843.12 : 22,159,767.30 = 8,715,676.24 : x - Step 2: Convert to fraction form
16,057,843.12/22,159,767.30 = 8,715,676.24/x - Step 3: Cross multiply
16,057,843.12x = 22,159,767.30 × 8,715,676.24 - Step 4: Simplify right side
16,057,843.12x = 193,137,357,340,538.97 - Step 5: Solve for x
x = 193,137,357,340,538.97/16,057,843.12 - Step 6: Final answer
x = 12,027,602.70
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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.