Finding the Fourth Proportional to 10,431,330.45, 14,396,097.79 and 5,786,612.99
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Solution
The fourth proportional to 10,431,330.45, 14,396,097.79 and 5,786,612.99 is: 7,986,003.98
Step by Step Solution
- Step 1: Write the proportion equation
10,431,330.45 : 14,396,097.79 = 5,786,612.99 : x - Step 2: Convert to fraction form
10,431,330.45/14,396,097.79 = 5,786,612.99/x - Step 3: Cross multiply
10,431,330.45x = 14,396,097.79 × 5,786,612.99 - Step 4: Simplify right side
10,431,330.45x = 83,304,646,476,924.30 - Step 5: Solve for x
x = 83,304,646,476,924.30/10,431,330.45 - Step 6: Final answer
x = 7,986,003.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.