Finding the Fourth Proportional to 11,132,787.80, 16,699,181.70 and 11,132,787.80
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Solution
The fourth proportional to 11,132,787.80, 16,699,181.70 and 11,132,787.80 is: 16,699,181.70
Step by Step Solution
- Step 1: Write the proportion equation
11,132,787.80 : 16,699,181.70 = 11,132,787.80 : x - Step 2: Convert to fraction form
11,132,787.80/16,699,181.70 = 11,132,787.80/x - Step 3: Cross multiply
11,132,787.80x = 16,699,181.70 × 11,132,787.80 - Step 4: Simplify right side
11,132,787.80x = 185,908,446,299,743.25 - Step 5: Solve for x
x = 185,908,446,299,743.25/11,132,787.80 - Step 6: Final answer
x = 16,699,181.70
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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.