Finding the Fourth Proportional to 18,603,816.99, 25,673,132.97 and 10,343,815.28
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Solution
The fourth proportional to 18,603,816.99, 25,673,132.97 and 10,343,815.28 is: 14,274,390.31
Step by Step Solution
- Step 1: Write the proportion equation
18,603,816.99 : 25,673,132.97 = 10,343,815.28 : x - Step 2: Convert to fraction form
18,603,816.99/25,673,132.97 = 10,343,815.28/x - Step 3: Cross multiply
18,603,816.99x = 25,673,132.97 × 10,343,815.28 - Step 4: Simplify right side
18,603,816.99x = 265,558,144,972,192.12 - Step 5: Solve for x
x = 265,558,144,972,192.12/18,603,816.99 - Step 6: Final answer
x = 14,274,390.31
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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.