Finding the Fourth Proportional to 8,191,427.68, 12,285,741.60 and 2,206,396
Calculator
Solution
The fourth proportional to 8,191,427.68, 12,285,741.60 and 2,206,396 is: 3,309,216.93
Step by Step Solution
- Step 1: Write the proportion equation
8,191,427.68 : 12,285,741.60 = 2,206,396 : x - Step 2: Convert to fraction form
8,191,427.68/12,285,741.60 = 2,206,396/x - Step 3: Cross multiply
8,191,427.68x = 12,285,741.60 × 2,206,396 - Step 4: Simplify right side
8,191,427.68x = 27,107,211,123,273.60 - Step 5: Solve for x
x = 27,107,211,123,273.60/8,191,427.68 - Step 6: Final answer
x = 3,309,216.93
Related Problems
Find fourth proportional to 4,095,713.84, 6,142,870.80 and 1,103,198
Half scale
Find fourth proportional to 16,382,855.36, 24,571,483.20 and 4,412,792
Double scale
Find fourth proportional to 8,191,428.68, 12,285,743.10 and 2,206,397
Similar ratio
Find fourth proportional to 12,287,141.52, 18,428,612.40 and 3,309,594
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.