Finding the Fourth Proportional to 11,642,080.96, 15,949,728.38 and 11,205,727.84
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Solution
The fourth proportional to 11,642,080.96, 15,949,728.38 and 11,205,727.84 is: 15,351,921.70
Step by Step Solution
- Step 1: Write the proportion equation
11,642,080.96 : 15,949,728.38 = 11,205,727.84 : x - Step 2: Convert to fraction form
11,642,080.96/15,949,728.38 = 11,205,727.84/x - Step 3: Cross multiply
11,642,080.96x = 15,949,728.38 × 11,205,727.84 - Step 4: Simplify right side
11,642,080.96x = 178,728,315,348,204.09 - Step 5: Solve for x
x = 178,728,315,348,204.09/11,642,080.96 - Step 6: Final answer
x = 15,351,921.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.