Finding the Fourth Proportional to 12,589,968.30, 18,889,618.05 and 4,070,582.70
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Solution
The fourth proportional to 12,589,968.30, 18,889,618.05 and 4,070,582.70 is: 6,107,382.53
Step by Step Solution
- Step 1: Write the proportion equation
12,589,968.30 : 18,889,618.05 = 4,070,582.70 : x - Step 2: Convert to fraction form
12,589,968.30/18,889,618.05 = 4,070,582.70/x - Step 3: Cross multiply
12,589,968.30x = 18,889,618.05 × 4,070,582.70 - Step 4: Simplify right side
12,589,968.30x = 76,891,752,443,937.73 - Step 5: Solve for x
x = 76,891,752,443,937.73/12,589,968.30 - Step 6: Final answer
x = 6,107,382.53
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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.