Finding the Fourth Proportional to 18,898,233.56, 28,351,855.66 and 6,118,742.06
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Solution
The fourth proportional to 18,898,233.56, 28,351,855.66 and 6,118,742.06 is: 9,179,571.79
Step by Step Solution
- Step 1: Write the proportion equation
18,898,233.56 : 28,351,855.66 = 6,118,742.06 : x - Step 2: Convert to fraction form
18,898,233.56/28,351,855.66 = 6,118,742.06/x - Step 3: Cross multiply
18,898,233.56x = 28,351,855.66 × 6,118,742.06 - Step 4: Simplify right side
18,898,233.56x = 173,477,691,705,891.06 - Step 5: Solve for x
x = 173,477,691,705,891.06/18,898,233.56 - Step 6: Final answer
x = 9,179,571.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.