Finding the Fourth Proportional to 12,313,950.96, 16,982,250.84 and 7,730,699.76
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Solution
The fourth proportional to 12,313,950.96, 16,982,250.84 and 7,730,699.76 is: 10,661,458.94
Step by Step Solution
- Step 1: Write the proportion equation
12,313,950.96 : 16,982,250.84 = 7,730,699.76 : x - Step 2: Convert to fraction form
12,313,950.96/16,982,250.84 = 7,730,699.76/x - Step 3: Cross multiply
12,313,950.96x = 16,982,250.84 × 7,730,699.76 - Step 4: Simplify right side
12,313,950.96x = 131,284,682,493,047.80 - Step 5: Solve for x
x = 131,284,682,493,047.80/12,313,950.96 - Step 6: Final answer
x = 10,661,458.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.