Finding the Fourth Proportional to 32,388,025.60, 48,582,556.80 and 8,453,497.60
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Solution
The fourth proportional to 32,388,025.60, 48,582,556.80 and 8,453,497.60 is: 12,680,381.71
Step by Step Solution
- Step 1: Write the proportion equation
32,388,025.60 : 48,582,556.80 = 8,453,497.60 : x - Step 2: Convert to fraction form
32,388,025.60/48,582,556.80 = 8,453,497.60/x - Step 3: Cross multiply
32,388,025.60x = 48,582,556.80 × 8,453,497.60 - Step 4: Simplify right side
32,388,025.60x = 410,692,527,310,663.62 - Step 5: Solve for x
x = 410,692,527,310,663.62/32,388,025.60 - Step 6: Final answer
x = 12,680,381.71
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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.