Finding the Fourth Proportional to 44,009,540.56, 65,987,394.05 and 20,987,516.44
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Solution
The fourth proportional to 44,009,540.56, 65,987,394.05 and 20,987,516.44 is: 31,468,438.43
Step by Step Solution
- Step 1: Write the proportion equation
44,009,540.56 : 65,987,394.05 = 20,987,516.44 : x - Step 2: Convert to fraction form
44,009,540.56/65,987,394.05 = 20,987,516.44/x - Step 3: Cross multiply
44,009,540.56x = 65,987,394.05 × 20,987,516.44 - Step 4: Simplify right side
44,009,540.56x = 1,384,911,517,457,133.25 - Step 5: Solve for x
x = 1,384,911,517,457,133.25/44,009,540.56 - Step 6: Final answer
x = 31,468,438.43
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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.