Finding the Fourth Proportional to 18,541,533.62, 27,699,516.84 and 12,011,452.34
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Solution
The fourth proportional to 18,541,533.62, 27,699,516.84 and 12,011,452.34 is: 17,944,115.79
Step by Step Solution
- Step 1: Write the proportion equation
18,541,533.62 : 27,699,516.84 = 12,011,452.34 : x - Step 2: Convert to fraction form
18,541,533.62/27,699,516.84 = 12,011,452.34/x - Step 3: Cross multiply
18,541,533.62x = 27,699,516.84 × 12,011,452.34 - Step 4: Simplify right side
18,541,533.62x = 332,711,426,271,208.75 - Step 5: Solve for x
x = 332,711,426,271,208.75/18,541,533.62 - Step 6: Final answer
x = 17,944,115.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.