Finding the Fourth Proportional to 11,657,193.28, 16,086,996.84 and 6,500,880.70
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Solution
The fourth proportional to 11,657,193.28, 16,086,996.84 and 6,500,880.70 is: 8,971,254.47
Step by Step Solution
- Step 1: Write the proportion equation
11,657,193.28 : 16,086,996.84 = 6,500,880.70 : x - Step 2: Convert to fraction form
11,657,193.28/16,086,996.84 = 6,500,880.70/x - Step 3: Cross multiply
11,657,193.28x = 16,086,996.84 × 6,500,880.70 - Step 4: Simplify right side
11,657,193.28x = 104,579,647,278,116.98 - Step 5: Solve for x
x = 104,579,647,278,116.98/11,657,193.28 - Step 6: Final answer
x = 8,971,254.47
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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.