Finding the Fourth Proportional to 7,529,768.80, 11,294,918.16 and 2,412,354.40
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Solution
The fourth proportional to 7,529,768.80, 11,294,918.16 and 2,412,354.40 is: 3,618,616.49
Step by Step Solution
- Step 1: Write the proportion equation
7,529,768.80 : 11,294,918.16 = 2,412,354.40 : x - Step 2: Convert to fraction form
7,529,768.80/11,294,918.16 = 2,412,354.40/x - Step 3: Cross multiply
7,529,768.80x = 11,294,918.16 × 2,412,354.40 - Step 4: Simplify right side
7,529,768.80x = 27,247,345,520,915.90 - Step 5: Solve for x
x = 27,247,345,520,915.90/7,529,768.80 - Step 6: Final answer
x = 3,618,616.49
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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.