Finding the Fourth Proportional to 10,905,975.36, 15,049,361.02 and 6,322,591.98
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Solution
The fourth proportional to 10,905,975.36, 15,049,361.02 and 6,322,591.98 is: 8,724,663.88
Step by Step Solution
- Step 1: Write the proportion equation
10,905,975.36 : 15,049,361.02 = 6,322,591.98 : x - Step 2: Convert to fraction form
10,905,975.36/15,049,361.02 = 6,322,591.98/x - Step 3: Cross multiply
10,905,975.36x = 15,049,361.02 × 6,322,591.98 - Step 4: Simplify right side
10,905,975.36x = 95,150,969,289,176.62 - Step 5: Solve for x
x = 95,150,969,289,176.62/10,905,975.36 - Step 6: Final answer
x = 8,724,663.88
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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.