Finding the Fourth Proportional to 11,787,991.36, 17,681,988 and 3,268,328.08
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Solution
The fourth proportional to 11,787,991.36, 17,681,988 and 3,268,328.08 is: 4,902,492.39
Step by Step Solution
- Step 1: Write the proportion equation
11,787,991.36 : 17,681,988 = 3,268,328.08 : x - Step 2: Convert to fraction form
11,787,991.36/17,681,988 = 3,268,328.08/x - Step 3: Cross multiply
11,787,991.36x = 17,681,988 × 3,268,328.08 - Step 4: Simplify right side
11,787,991.36x = 57,790,537,890,623.04 - Step 5: Solve for x
x = 57,790,537,890,623.04/11,787,991.36 - Step 6: Final answer
x = 4,902,492.39
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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.