Finding the Fourth Proportional to 16,993,417.20, 25,486,583.40 and 6,215,794.80
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Solution
The fourth proportional to 16,993,417.20, 25,486,583.40 and 6,215,794.80 is: 9,322,396.47
Step by Step Solution
- Step 1: Write the proportion equation
16,993,417.20 : 25,486,583.40 = 6,215,794.80 : x - Step 2: Convert to fraction form
16,993,417.20/25,486,583.40 = 6,215,794.80/x - Step 3: Cross multiply
16,993,417.20x = 25,486,583.40 × 6,215,794.80 - Step 4: Simplify right side
16,993,417.20x = 158,419,372,567,486.31 - Step 5: Solve for x
x = 158,419,372,567,486.31/16,993,417.20 - Step 6: Final answer
x = 9,322,396.47
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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.