Finding the Fourth Proportional to 10,866,741.74, 16,273,208.42 and 7,981,266.24
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Solution
The fourth proportional to 10,866,741.74, 16,273,208.42 and 7,981,266.24 is: 11,952,139.11
Step by Step Solution
- Step 1: Write the proportion equation
10,866,741.74 : 16,273,208.42 = 7,981,266.24 : x - Step 2: Convert to fraction form
10,866,741.74/16,273,208.42 = 7,981,266.24/x - Step 3: Cross multiply
10,866,741.74x = 16,273,208.42 × 7,981,266.24 - Step 4: Simplify right side
10,866,741.74x = 129,880,808,979,029.75 - Step 5: Solve for x
x = 129,880,808,979,029.75/10,866,741.74 - Step 6: Final answer
x = 11,952,139.11
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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.