Finding the Fourth Proportional to 10,651,193.70, 15,976,790.55 and 4,971,992.10
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Solution
The fourth proportional to 10,651,193.70, 15,976,790.55 and 4,971,992.10 is: 7,457,988.15
Step by Step Solution
- Step 1: Write the proportion equation
10,651,193.70 : 15,976,790.55 = 4,971,992.10 : x - Step 2: Convert to fraction form
10,651,193.70/15,976,790.55 = 4,971,992.10/x - Step 3: Cross multiply
10,651,193.70x = 15,976,790.55 × 4,971,992.10 - Step 4: Simplify right side
10,651,193.70x = 79,436,476,397,954.66 - Step 5: Solve for x
x = 79,436,476,397,954.66/10,651,193.70 - Step 6: Final answer
x = 7,457,988.15
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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.