Finding the Fourth Proportional to 17,728,722.18, 26,538,540.57 and 11,567,437.08
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Solution
The fourth proportional to 17,728,722.18, 26,538,540.57 and 11,567,437.08 is: 17,315,568.20
Step by Step Solution
- Step 1: Write the proportion equation
17,728,722.18 : 26,538,540.57 = 11,567,437.08 : x - Step 2: Convert to fraction form
17,728,722.18/26,538,540.57 = 11,567,437.08/x - Step 3: Cross multiply
17,728,722.18x = 26,538,540.57 × 11,567,437.08 - Step 4: Simplify right side
17,728,722.18x = 306,982,898,047,972.44 - Step 5: Solve for x
x = 306,982,898,047,972.44/17,728,722.18 - Step 6: Final answer
x = 17,315,568.20
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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.