Finding the Fourth Proportional to 18,964,439.92, 26,170,926.56 and 10,262,612.44
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Solution
The fourth proportional to 18,964,439.92, 26,170,926.56 and 10,262,612.44 is: 14,162,404.88
Step by Step Solution
- Step 1: Write the proportion equation
18,964,439.92 : 26,170,926.56 = 10,262,612.44 : x - Step 2: Convert to fraction form
18,964,439.92/26,170,926.56 = 10,262,612.44/x - Step 3: Cross multiply
18,964,439.92x = 26,170,926.56 × 10,262,612.44 - Step 4: Simplify right side
18,964,439.92x = 268,582,076,480,982.38 - Step 5: Solve for x
x = 268,582,076,480,982.38/18,964,439.92 - Step 6: Final answer
x = 14,162,404.88
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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.