Finding the Fourth Proportional to 8,803,685.80, 13,205,528.70 and 2,413,927.90
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Solution
The fourth proportional to 8,803,685.80, 13,205,528.70 and 2,413,927.90 is: 3,620,891.85
Step by Step Solution
- Step 1: Write the proportion equation
8,803,685.80 : 13,205,528.70 = 2,413,927.90 : x - Step 2: Convert to fraction form
8,803,685.80/13,205,528.70 = 2,413,927.90/x - Step 3: Cross multiply
8,803,685.80x = 13,205,528.70 × 2,413,927.90 - Step 4: Simplify right side
8,803,685.80x = 31,877,194,163,180.73 - Step 5: Solve for x
x = 31,877,194,163,180.73/8,803,685.80 - Step 6: Final answer
x = 3,620,891.85
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Double scale
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Similar ratio
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1.5x scale
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.