Finding the Fourth Proportional to 12,104,517.76, 18,153,233.70 and 9,969,305.92
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Solution
The fourth proportional to 12,104,517.76, 18,153,233.70 and 9,969,305.92 is: 14,951,040.91
Step by Step Solution
- Step 1: Write the proportion equation
12,104,517.76 : 18,153,233.70 = 9,969,305.92 : x - Step 2: Convert to fraction form
12,104,517.76/18,153,233.70 = 9,969,305.92/x - Step 3: Cross multiply
12,104,517.76x = 18,153,233.70 × 9,969,305.92 - Step 4: Simplify right side
12,104,517.76x = 180,975,140,192,553.50 - Step 5: Solve for x
x = 180,975,140,192,553.50/12,104,517.76 - Step 6: Final answer
x = 14,951,040.91
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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.