Finding the Fourth Proportional to 29,935,971.80, 44,903,957.70 and 20,370,033.80
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Solution
The fourth proportional to 29,935,971.80, 44,903,957.70 and 20,370,033.80 is: 30,555,050.70
Step by Step Solution
- Step 1: Write the proportion equation
29,935,971.80 : 44,903,957.70 = 20,370,033.80 : x - Step 2: Convert to fraction form
29,935,971.80/44,903,957.70 = 20,370,033.80/x - Step 3: Cross multiply
29,935,971.80x = 44,903,957.70 × 20,370,033.80 - Step 4: Simplify right side
29,935,971.80x = 914,695,136,102,770.38 - Step 5: Solve for x
x = 914,695,136,102,770.38/29,935,971.80 - Step 6: Final answer
x = 30,555,050.70
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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.