Finding the Fourth Proportional to 32,608,819.20, 48,932,582.40 and 12,416,102.40
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Solution
The fourth proportional to 32,608,819.20, 48,932,582.40 and 12,416,102.40 is: 18,631,522.66
Step by Step Solution
- Step 1: Write the proportion equation
32,608,819.20 : 48,932,582.40 = 12,416,102.40 : x - Step 2: Convert to fraction form
32,608,819.20/48,932,582.40 = 12,416,102.40/x - Step 3: Cross multiply
32,608,819.20x = 48,932,582.40 × 12,416,102.40 - Step 4: Simplify right side
32,608,819.20x = 607,551,953,774,837.75 - Step 5: Solve for x
x = 607,551,953,774,837.75/32,608,819.20 - Step 6: Final answer
x = 18,631,522.66
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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.