Finding the Fourth Proportional to 13,587,213.06, 18,743,207.49 and 8,076,668.34
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Solution
The fourth proportional to 13,587,213.06, 18,743,207.49 and 8,076,668.34 is: 11,141,554.18
Step by Step Solution
- Step 1: Write the proportion equation
13,587,213.06 : 18,743,207.49 = 8,076,668.34 : x - Step 2: Convert to fraction form
13,587,213.06/18,743,207.49 = 8,076,668.34/x - Step 3: Cross multiply
13,587,213.06x = 18,743,207.49 × 8,076,668.34 - Step 4: Simplify right side
13,587,213.06x = 151,382,670,524,533.84 - Step 5: Solve for x
x = 151,382,670,524,533.84/13,587,213.06 - Step 6: Final answer
x = 11,141,554.18
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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.