Finding the Fourth Proportional to 12,868,782.49, 19,303,157.42 and 3,284,161.23
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Solution
The fourth proportional to 12,868,782.49, 19,303,157.42 and 3,284,161.23 is: 4,926,237.68
Step by Step Solution
- Step 1: Write the proportion equation
12,868,782.49 : 19,303,157.42 = 3,284,161.23 : x - Step 2: Convert to fraction form
12,868,782.49/19,303,157.42 = 3,284,161.23/x - Step 3: Cross multiply
12,868,782.49x = 19,303,157.42 × 3,284,161.23 - Step 4: Simplify right side
12,868,782.49x = 63,394,681,215,350.84 - Step 5: Solve for x
x = 63,394,681,215,350.84/12,868,782.49 - Step 6: Final answer
x = 4,926,237.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.