Finding the Fourth Proportional to 14,638,648.26, 20,201,087.97 and 8,112,264.42
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Solution
The fourth proportional to 14,638,648.26, 20,201,087.97 and 8,112,264.42 is: 11,194,788.23
Step by Step Solution
- Step 1: Write the proportion equation
14,638,648.26 : 20,201,087.97 = 8,112,264.42 : x - Step 2: Convert to fraction form
14,638,648.26/20,201,087.97 = 8,112,264.42/x - Step 3: Cross multiply
14,638,648.26x = 20,201,087.97 × 8,112,264.42 - Step 4: Simplify right side
14,638,648.26x = 163,876,567,184,321.03 - Step 5: Solve for x
x = 163,876,567,184,321.03/14,638,648.26 - Step 6: Final answer
x = 11,194,788.23
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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.