Finding the Fourth Proportional to 7,990,438.03, 11,986,006.97 and 2,311,236.43
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Solution
The fourth proportional to 7,990,438.03, 11,986,006.97 and 2,311,236.43 is: 3,466,955.86
Step by Step Solution
- Step 1: Write the proportion equation
7,990,438.03 : 11,986,006.97 = 2,311,236.43 : x - Step 2: Convert to fraction form
7,990,438.03/11,986,006.97 = 2,311,236.43/x - Step 3: Cross multiply
7,990,438.03x = 11,986,006.97 × 2,311,236.43 - Step 4: Simplify right side
7,990,438.03x = 27,702,495,959,297.92 - Step 5: Solve for x
x = 27,702,495,959,297.92/7,990,438.03 - Step 6: Final answer
x = 3,466,955.86
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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.