Finding the Fourth Proportional to 10,891,821.80, 16,337,732.70 and 2,913,645.80
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Solution
The fourth proportional to 10,891,821.80, 16,337,732.70 and 2,913,645.80 is: 4,370,468.70
Step by Step Solution
- Step 1: Write the proportion equation
10,891,821.80 : 16,337,732.70 = 2,913,645.80 : x - Step 2: Convert to fraction form
10,891,821.80/16,337,732.70 = 2,913,645.80/x - Step 3: Cross multiply
10,891,821.80x = 16,337,732.70 × 2,913,645.80 - Step 4: Simplify right side
10,891,821.80x = 47,602,366,262,877.66 - Step 5: Solve for x
x = 47,602,366,262,877.66/10,891,821.80 - Step 6: Final answer
x = 4,370,468.70
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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.