Finding the Fourth Proportional to 18,144,518.01, 27,171,964.16 and 13,522,420.63
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Solution
The fourth proportional to 18,144,518.01, 27,171,964.16 and 13,522,420.63 is: 20,250,233.62
Step by Step Solution
- Step 1: Write the proportion equation
18,144,518.01 : 27,171,964.16 = 13,522,420.63 : x - Step 2: Convert to fraction form
18,144,518.01/27,171,964.16 = 13,522,420.63/x - Step 3: Cross multiply
18,144,518.01x = 27,171,964.16 × 13,522,420.63 - Step 4: Simplify right side
18,144,518.01x = 367,430,728,680,680.75 - Step 5: Solve for x
x = 367,430,728,680,680.75/18,144,518.01 - Step 6: Final answer
x = 20,250,233.62
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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.