Finding the Fourth Proportional to 18,104,533.38, 24,978,141.87 and 10,263,204.96
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Solution
The fourth proportional to 18,104,533.38, 24,978,141.87 and 10,263,204.96 is: 14,159,756.79
Step by Step Solution
- Step 1: Write the proportion equation
18,104,533.38 : 24,978,141.87 = 10,263,204.96 : x - Step 2: Convert to fraction form
18,104,533.38/24,978,141.87 = 10,263,204.96/x - Step 3: Cross multiply
18,104,533.38x = 24,978,141.87 × 10,263,204.96 - Step 4: Simplify right side
18,104,533.38x = 256,355,789,531,767.72 - Step 5: Solve for x
x = 256,355,789,531,767.72/18,104,533.38 - Step 6: Final answer
x = 14,159,756.79
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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.