Finding the Fourth Proportional to 11,787,957.42, 17,681,936.88 and 3,268,294.08
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Solution
The fourth proportional to 11,787,957.42, 17,681,936.88 and 3,268,294.08 is: 4,902,441.33
Step by Step Solution
- Step 1: Write the proportion equation
11,787,957.42 : 17,681,936.88 = 3,268,294.08 : x - Step 2: Convert to fraction form
11,787,957.42/17,681,936.88 = 3,268,294.08/x - Step 3: Cross multiply
11,787,957.42x = 17,681,936.88 × 3,268,294.08 - Step 4: Simplify right side
11,787,957.42x = 57,789,769,627,837.67 - Step 5: Solve for x
x = 57,789,769,627,837.67/11,787,957.42 - Step 6: Final answer
x = 4,902,441.33
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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.