Finding the Fourth Proportional to 11,974,243.99, 16,531,634.84 and 7,851,467.15
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Solution
The fourth proportional to 11,974,243.99, 16,531,634.84 and 7,851,467.15 is: 10,839,731.34
Step by Step Solution
- Step 1: Write the proportion equation
11,974,243.99 : 16,531,634.84 = 7,851,467.15 : x - Step 2: Convert to fraction form
11,974,243.99/16,531,634.84 = 7,851,467.15/x - Step 3: Cross multiply
11,974,243.99x = 16,531,634.84 × 7,851,467.15 - Step 4: Simplify right side
11,974,243.99x = 129,797,587,882,055.52 - Step 5: Solve for x
x = 129,797,587,882,055.52/11,974,243.99 - Step 6: Final answer
x = 10,839,731.34
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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.