Finding the Fourth Proportional to 39,164,344.05, 54,043,546.32 and 21,522,318.96
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Solution
The fourth proportional to 39,164,344.05, 54,043,546.32 and 21,522,318.96 is: 29,699,015.01
Step by Step Solution
- Step 1: Write the proportion equation
39,164,344.05 : 54,043,546.32 = 21,522,318.96 : x - Step 2: Convert to fraction form
39,164,344.05/54,043,546.32 = 21,522,318.96/x - Step 3: Cross multiply
39,164,344.05x = 54,043,546.32 × 21,522,318.96 - Step 4: Simplify right side
39,164,344.05x = 1,163,142,441,628,574.25 - Step 5: Solve for x
x = 1,163,142,441,628,574.25/39,164,344.05 - Step 6: Final answer
x = 29,699,015.01
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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.