Finding the Fourth Proportional to 7,644,929.99, 11,453,942.84 and 7,189,800.71
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Solution
The fourth proportional to 7,644,929.99, 11,453,942.84 and 7,189,800.71 is: 10,772,049.77
Step by Step Solution
- Step 1: Write the proportion equation
7,644,929.99 : 11,453,942.84 = 7,189,800.71 : x - Step 2: Convert to fraction form
7,644,929.99/11,453,942.84 = 7,189,800.71/x - Step 3: Cross multiply
7,644,929.99x = 11,453,942.84 × 7,189,800.71 - Step 4: Simplify right side
7,644,929.99x = 82,351,566,270,112.70 - Step 5: Solve for x
x = 82,351,566,270,112.70/7,644,929.99 - Step 6: Final answer
x = 10,772,049.77
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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.