Finding the Fourth Proportional to 11,557,380.20, 17,302,892.70 and 11,225,604.20
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Solution
The fourth proportional to 11,557,380.20, 17,302,892.70 and 11,225,604.20 is: 16,806,181.12
Step by Step Solution
- Step 1: Write the proportion equation
11,557,380.20 : 17,302,892.70 = 11,225,604.20 : x - Step 2: Convert to fraction form
11,557,380.20/17,302,892.70 = 11,225,604.20/x - Step 3: Cross multiply
11,557,380.20x = 17,302,892.70 × 11,225,604.20 - Step 4: Simplify right side
11,557,380.20x = 194,235,424,965,269.31 - Step 5: Solve for x
x = 194,235,424,965,269.31/11,557,380.20 - Step 6: Final answer
x = 16,806,181.12
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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.