Finding the Fourth Proportional to 51,805,406.84, 71,491,091.30 and 28,283,942.84
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Solution
The fourth proportional to 51,805,406.84, 71,491,091.30 and 28,283,942.84 is: 39,031,639.03
Step by Step Solution
- Step 1: Write the proportion equation
51,805,406.84 : 71,491,091.30 = 28,283,942.84 : x - Step 2: Convert to fraction form
51,805,406.84/71,491,091.30 = 28,283,942.84/x - Step 3: Cross multiply
51,805,406.84x = 71,491,091.30 × 28,283,942.84 - Step 4: Simplify right side
51,805,406.84x = 2,022,049,939,505,611 - Step 5: Solve for x
x = 2,022,049,939,505,611/51,805,406.84 - Step 6: Final answer
x = 39,031,639.03
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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.