Finding the Fourth Proportional to 18,535,069.44, 27,744,439.68 and 12,744,010.08
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Solution
The fourth proportional to 18,535,069.44, 27,744,439.68 and 12,744,010.08 is: 19,076,023.43
Step by Step Solution
- Step 1: Write the proportion equation
18,535,069.44 : 27,744,439.68 = 12,744,010.08 : x - Step 2: Convert to fraction form
18,535,069.44/27,744,439.68 = 12,744,010.08/x - Step 3: Cross multiply
18,535,069.44x = 27,744,439.68 × 12,744,010.08 - Step 4: Simplify right side
18,535,069.44x = 353,575,418,945,872 - Step 5: Solve for x
x = 353,575,418,945,872/18,535,069.44 - Step 6: Final answer
x = 19,076,023.43
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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.