Finding the Fourth Proportional to 15,198,234.24, 20,972,933.36 and 8,322,597.84
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Solution
The fourth proportional to 15,198,234.24, 20,972,933.36 and 8,322,597.84 is: 11,484,840.09
Step by Step Solution
- Step 1: Write the proportion equation
15,198,234.24 : 20,972,933.36 = 8,322,597.84 : x - Step 2: Convert to fraction form
15,198,234.24/20,972,933.36 = 8,322,597.84/x - Step 3: Cross multiply
15,198,234.24x = 20,972,933.36 × 8,322,597.84 - Step 4: Simplify right side
15,198,234.24x = 174,549,289,880,399.94 - Step 5: Solve for x
x = 174,549,289,880,399.94/15,198,234.24 - Step 6: Final answer
x = 11,484,840.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.