Finding the Fourth Proportional to 16,993,205.20, 25,486,265.40 and 6,215,582.80
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Solution
The fourth proportional to 16,993,205.20, 25,486,265.40 and 6,215,582.80 is: 9,322,078.50
Step by Step Solution
- Step 1: Write the proportion equation
16,993,205.20 : 25,486,265.40 = 6,215,582.80 : x - Step 2: Convert to fraction form
16,993,205.20/25,486,265.40 = 6,215,582.80/x - Step 3: Cross multiply
16,993,205.20x = 25,486,265.40 × 6,215,582.80 - Step 4: Simplify right side
16,993,205.20x = 158,411,992,856,475.09 - Step 5: Solve for x
x = 158,411,992,856,475.09/16,993,205.20 - Step 6: Final answer
x = 9,322,078.50
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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.