Finding the Fourth Proportional to 7,644,936.36, 11,453,952.36 and 7,189,807.08
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Solution
The fourth proportional to 7,644,936.36, 11,453,952.36 and 7,189,807.08 is: 10,772,059.29
Step by Step Solution
- Step 1: Write the proportion equation
7,644,936.36 : 11,453,952.36 = 7,189,807.08 : x - Step 2: Convert to fraction form
7,644,936.36/11,453,952.36 = 7,189,807.08/x - Step 3: Cross multiply
7,644,936.36x = 11,453,952.36 × 7,189,807.08 - Step 4: Simplify right side
7,644,936.36x = 82,351,707,771,910.70 - Step 5: Solve for x
x = 82,351,707,771,910.70/7,644,936.36 - Step 6: Final answer
x = 10,772,059.29
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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.