Finding the Fourth Proportional to 11,646,906.60, 17,480,727.90 and 6,848,596.20
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Solution
The fourth proportional to 11,646,906.60, 17,480,727.90 and 6,848,596.20 is: 10,278,990.88
Step by Step Solution
- Step 1: Write the proportion equation
11,646,906.60 : 17,480,727.90 = 6,848,596.20 : x - Step 2: Convert to fraction form
11,646,906.60/17,480,727.90 = 6,848,596.20/x - Step 3: Cross multiply
11,646,906.60x = 17,480,727.90 × 6,848,596.20 - Step 4: Simplify right side
11,646,906.60x = 119,718,446,669,173.97 - Step 5: Solve for x
x = 119,718,446,669,173.97/11,646,906.60 - Step 6: Final answer
x = 10,278,990.88
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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.