Finding the Fourth Proportional to 11,588,660.40, 17,389,211.40 and 4,857,754.80
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Solution
The fourth proportional to 11,588,660.40, 17,389,211.40 and 4,857,754.80 is: 7,289,239.85
Step by Step Solution
- Step 1: Write the proportion equation
11,588,660.40 : 17,389,211.40 = 4,857,754.80 : x - Step 2: Convert to fraction form
11,588,660.40/17,389,211.40 = 4,857,754.80/x - Step 3: Cross multiply
11,588,660.40x = 17,389,211.40 × 4,857,754.80 - Step 4: Simplify right side
11,588,660.40x = 84,472,525,146,564.70 - Step 5: Solve for x
x = 84,472,525,146,564.70/11,588,660.40 - Step 6: Final answer
x = 7,289,239.85
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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.