Finding the Fourth Proportional to 18,898,230.06, 28,351,850.40 and 6,118,738.56
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Solution
The fourth proportional to 18,898,230.06, 28,351,850.40 and 6,118,738.56 is: 9,179,566.54
Step by Step Solution
- Step 1: Write the proportion equation
18,898,230.06 : 28,351,850.40 = 6,118,738.56 : x - Step 2: Convert to fraction form
18,898,230.06/28,351,850.40 = 6,118,738.56/x - Step 3: Cross multiply
18,898,230.06x = 28,351,850.40 × 6,118,738.56 - Step 4: Simplify right side
18,898,230.06x = 173,477,560,289,831.41 - Step 5: Solve for x
x = 173,477,560,289,831.41/18,898,230.06 - Step 6: Final answer
x = 9,179,566.54
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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.