Finding the Fourth Proportional to 28,203,556.24, 38,906,583.04 and 18,419,727.44
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Solution
The fourth proportional to 28,203,556.24, 38,906,583.04 and 18,419,727.44 is: 25,409,868.50
Step by Step Solution
- Step 1: Write the proportion equation
28,203,556.24 : 38,906,583.04 = 18,419,727.44 : x - Step 2: Convert to fraction form
28,203,556.24/38,906,583.04 = 18,419,727.44/x - Step 3: Cross multiply
28,203,556.24x = 38,906,583.04 × 18,419,727.44 - Step 4: Simplify right side
28,203,556.24x = 716,648,655,218,526.62 - Step 5: Solve for x
x = 716,648,655,218,526.62/28,203,556.24 - Step 6: Final answer
x = 25,409,868.50
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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.