Finding the Fourth Proportional to 18,551,725.44, 25,601,645.76 and 11,208,539.52
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Solution
The fourth proportional to 18,551,725.44, 25,601,645.76 and 11,208,539.52 is: 15,467,944.43
Step by Step Solution
- Step 1: Write the proportion equation
18,551,725.44 : 25,601,645.76 = 11,208,539.52 : x - Step 2: Convert to fraction form
18,551,725.44/25,601,645.76 = 11,208,539.52/x - Step 3: Cross multiply
18,551,725.44x = 25,601,645.76 × 11,208,539.52 - Step 4: Simplify right side
18,551,725.44x = 286,957,058,278,000.44 - Step 5: Solve for x
x = 286,957,058,278,000.44/18,551,725.44 - Step 6: Final answer
x = 15,467,944.43
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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.