Finding the Fourth Proportional to 20,017,850.43, 27,624,607.16 and 10,850,490.75
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Solution
The fourth proportional to 20,017,850.43, 27,624,607.16 and 10,850,490.75 is: 14,973,662.90
Step by Step Solution
- Step 1: Write the proportion equation
20,017,850.43 : 27,624,607.16 = 10,850,490.75 : x - Step 2: Convert to fraction form
20,017,850.43/27,624,607.16 = 10,850,490.75/x - Step 3: Cross multiply
20,017,850.43x = 27,624,607.16 × 10,850,490.75 - Step 4: Simplify right side
20,017,850.43x = 299,740,544,407,711.31 - Step 5: Solve for x
x = 299,740,544,407,711.31/20,017,850.43 - Step 6: Final answer
x = 14,973,662.90
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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.