Finding the Fourth Proportional to 18,170,396.52, 27,252,358.62 and 7,239,670.05
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Solution
The fourth proportional to 18,170,396.52, 27,252,358.62 and 7,239,670.05 is: 10,858,215.68
Step by Step Solution
- Step 1: Write the proportion equation
18,170,396.52 : 27,252,358.62 = 7,239,670.05 : x - Step 2: Convert to fraction form
18,170,396.52/27,252,358.62 = 7,239,670.05/x - Step 3: Cross multiply
18,170,396.52x = 27,252,358.62 × 7,239,670.05 - Step 4: Simplify right side
18,170,396.52x = 197,298,084,493,073.34 - Step 5: Solve for x
x = 197,298,084,493,073.34/18,170,396.52 - Step 6: Final answer
x = 10,858,215.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.