Finding the Fourth Proportional to 18,492,087.08, 25,521,235.64 and 10,757,455.40
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Solution
The fourth proportional to 18,492,087.08, 25,521,235.64 and 10,757,455.40 is: 14,846,542.36
Step by Step Solution
- Step 1: Write the proportion equation
18,492,087.08 : 25,521,235.64 = 10,757,455.40 : x - Step 2: Convert to fraction form
18,492,087.08/25,521,235.64 = 10,757,455.40/x - Step 3: Cross multiply
18,492,087.08x = 25,521,235.64 × 10,757,455.40 - Step 4: Simplify right side
18,492,087.08x = 274,543,554,150,190.47 - Step 5: Solve for x
x = 274,543,554,150,190.47/18,492,087.08 - Step 6: Final answer
x = 14,846,542.36
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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.