Finding the Fourth Proportional to 11,974,242.99, 16,531,633.46 and 7,851,466.15
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Solution
The fourth proportional to 11,974,242.99, 16,531,633.46 and 7,851,466.15 is: 10,839,729.96
Step by Step Solution
- Step 1: Write the proportion equation
11,974,242.99 : 16,531,633.46 = 7,851,466.15 : x - Step 2: Convert to fraction form
11,974,242.99/16,531,633.46 = 7,851,466.15/x - Step 3: Cross multiply
11,974,242.99x = 16,531,633.46 × 7,851,466.15 - Step 4: Simplify right side
11,974,242.99x = 129,797,560,515,397.39 - Step 5: Solve for x
x = 129,797,560,515,397.39/11,974,242.99 - Step 6: Final answer
x = 10,839,729.96
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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.