Finding the Fourth Proportional to 8,208,387.76, 12,313,089.36 and 2,743,974.24
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Solution
The fourth proportional to 8,208,387.76, 12,313,089.36 and 2,743,974.24 is: 4,116,131.09
Step by Step Solution
- Step 1: Write the proportion equation
8,208,387.76 : 12,313,089.36 = 2,743,974.24 : x - Step 2: Convert to fraction form
8,208,387.76/12,313,089.36 = 2,743,974.24/x - Step 3: Cross multiply
8,208,387.76x = 12,313,089.36 × 2,743,974.24 - Step 4: Simplify right side
8,208,387.76x = 33,786,800,018,658.09 - Step 5: Solve for x
x = 33,786,800,018,658.09/8,208,387.76 - Step 6: Final answer
x = 4,116,131.09
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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.