Finding the Fourth Proportional to 17,556,588.40, 26,331,383.40 and 8,458,668.40
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Solution
The fourth proportional to 17,556,588.40, 26,331,383.40 and 8,458,668.40 is: 12,686,316.70
Step by Step Solution
- Step 1: Write the proportion equation
17,556,588.40 : 26,331,383.40 = 8,458,668.40 : x - Step 2: Convert to fraction form
17,556,588.40/26,331,383.40 = 8,458,668.40/x - Step 3: Cross multiply
17,556,588.40x = 26,331,383.40 × 8,458,668.40 - Step 4: Simplify right side
17,556,588.40x = 222,728,440,693,864.56 - Step 5: Solve for x
x = 222,728,440,693,864.56/17,556,588.40 - Step 6: Final answer
x = 12,686,316.70
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1.5x scale
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.