Finding the Fourth Proportional to 7,971,952.11, 11,939,949.81 and 3,703,137.09
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Solution
The fourth proportional to 7,971,952.11, 11,939,949.81 and 3,703,137.09 is: 5,546,354.32
Step by Step Solution
- Step 1: Write the proportion equation
7,971,952.11 : 11,939,949.81 = 3,703,137.09 : x - Step 2: Convert to fraction form
7,971,952.11/11,939,949.81 = 3,703,137.09/x - Step 3: Cross multiply
7,971,952.11x = 11,939,949.81 × 3,703,137.09 - Step 4: Simplify right side
7,971,952.11x = 44,215,270,994,149.45 - Step 5: Solve for x
x = 44,215,270,994,149.45/7,971,952.11 - Step 6: Final answer
x = 5,546,354.32
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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.