Finding the Fourth Proportional to 25,619,338.18, 35,351,195.07 and 15,303,871.54
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Solution
The fourth proportional to 25,619,338.18, 35,351,195.07 and 15,303,871.54 is: 21,117,256.99
Step by Step Solution
- Step 1: Write the proportion equation
25,619,338.18 : 35,351,195.07 = 15,303,871.54 : x - Step 2: Convert to fraction form
25,619,338.18/35,351,195.07 = 15,303,871.54/x - Step 3: Cross multiply
25,619,338.18x = 35,351,195.07 × 15,303,871.54 - Step 4: Simplify right side
25,619,338.18x = 541,010,148,136,761.25 - Step 5: Solve for x
x = 541,010,148,136,761.25/25,619,338.18 - Step 6: Final answer
x = 21,117,256.99
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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.