Finding the Fourth Proportional to 18,442,563.01, 27,665,173.12 and 7,083,011.64
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Solution
The fourth proportional to 18,442,563.01, 27,665,173.12 and 7,083,011.64 is: 10,625,027.72
Step by Step Solution
- Step 1: Write the proportion equation
18,442,563.01 : 27,665,173.12 = 7,083,011.64 : x - Step 2: Convert to fraction form
18,442,563.01/27,665,173.12 = 7,083,011.64/x - Step 3: Cross multiply
18,442,563.01x = 27,665,173.12 × 7,083,011.64 - Step 4: Simplify right side
18,442,563.01x = 195,952,743,175,276.03 - Step 5: Solve for x
x = 195,952,743,175,276.03/18,442,563.01 - Step 6: Final answer
x = 10,625,027.72
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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.