Finding the Fourth Proportional to 15,269,504.39, 21,093,327.62 and 13,890,414.99
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Solution
The fourth proportional to 15,269,504.39, 21,093,327.62 and 13,890,414.99 is: 19,188,250.43
Step by Step Solution
- Step 1: Write the proportion equation
15,269,504.39 : 21,093,327.62 = 13,890,414.99 : x - Step 2: Convert to fraction form
15,269,504.39/21,093,327.62 = 13,890,414.99/x - Step 3: Cross multiply
15,269,504.39x = 21,093,327.62 × 13,890,414.99 - Step 4: Simplify right side
15,269,504.39x = 292,995,074,161,829.06 - Step 5: Solve for x
x = 292,995,074,161,829.06/15,269,504.39 - Step 6: Final answer
x = 19,188,250.43
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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.