Finding the Fourth Proportional to 11,081,793.80, 16,622,690.70 and 10,832,961.80
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Solution
The fourth proportional to 11,081,793.80, 16,622,690.70 and 10,832,961.80 is: 16,249,442.70
Step by Step Solution
- Step 1: Write the proportion equation
11,081,793.80 : 16,622,690.70 = 10,832,961.80 : x - Step 2: Convert to fraction form
11,081,793.80/16,622,690.70 = 10,832,961.80/x - Step 3: Cross multiply
11,081,793.80x = 16,622,690.70 × 10,832,961.80 - Step 4: Simplify right side
11,081,793.80x = 180,072,973,366,315.25 - Step 5: Solve for x
x = 180,072,973,366,315.25/11,081,793.80 - Step 6: Final answer
x = 16,249,442.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.