Finding the Fourth Proportional to 14,620,043.90, 21,942,662.97 and 10,135,469.18
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Solution
The fourth proportional to 14,620,043.90, 21,942,662.97 and 10,135,469.18 is: 15,211,936.83
Step by Step Solution
- Step 1: Write the proportion equation
14,620,043.90 : 21,942,662.97 = 10,135,469.18 : x - Step 2: Convert to fraction form
14,620,043.90/21,942,662.97 = 10,135,469.18/x - Step 3: Cross multiply
14,620,043.90x = 21,942,662.97 × 10,135,469.18 - Step 4: Simplify right side
14,620,043.90x = 222,399,184,352,426.91 - Step 5: Solve for x
x = 222,399,184,352,426.91/14,620,043.90 - Step 6: Final answer
x = 15,211,936.83
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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.