Finding the Fourth Proportional to 13,610,743.23, 18,782,721.34 and 7,415,770.49
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Solution
The fourth proportional to 13,610,743.23, 18,782,721.34 and 7,415,770.49 is: 10,233,706.44
Step by Step Solution
- Step 1: Write the proportion equation
13,610,743.23 : 18,782,721.34 = 7,415,770.49 : x - Step 2: Convert to fraction form
13,610,743.23/18,782,721.34 = 7,415,770.49/x - Step 3: Cross multiply
13,610,743.23x = 18,782,721.34 × 7,415,770.49 - Step 4: Simplify right side
13,610,743.23x = 139,288,350,635,065.27 - Step 5: Solve for x
x = 139,288,350,635,065.27/13,610,743.23 - Step 6: Final answer
x = 10,233,706.44
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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.