Finding the Fourth Proportional to 6,971,958.08, 9,621,535.78 and 3,874,611.99
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Solution
The fourth proportional to 6,971,958.08, 9,621,535.78 and 3,874,611.99 is: 5,347,094.39
Step by Step Solution
- Step 1: Write the proportion equation
6,971,958.08 : 9,621,535.78 = 3,874,611.99 : x - Step 2: Convert to fraction form
6,971,958.08/9,621,535.78 = 3,874,611.99/x - Step 3: Cross multiply
6,971,958.08x = 9,621,535.78 × 3,874,611.99 - Step 4: Simplify right side
6,971,958.08x = 37,279,717,885,715.48 - Step 5: Solve for x
x = 37,279,717,885,715.48/6,971,958.08 - Step 6: Final answer
x = 5,347,094.39
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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.