Finding the Fourth Proportional to 16,313,921.67, 22,512,762.54 and 8,971,754.04
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Solution
The fourth proportional to 16,313,921.67, 22,512,762.54 and 8,971,754.04 is: 12,380,773.45
Step by Step Solution
- Step 1: Write the proportion equation
16,313,921.67 : 22,512,762.54 = 8,971,754.04 : x - Step 2: Convert to fraction form
16,313,921.67/22,512,762.54 = 8,971,754.04/x - Step 3: Cross multiply
16,313,921.67x = 22,512,762.54 × 8,971,754.04 - Step 4: Simplify right side
16,313,921.67x = 201,978,968,269,805.62 - Step 5: Solve for x
x = 201,978,968,269,805.62/16,313,921.67 - Step 6: Final answer
x = 12,380,773.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.