Finding the Fourth Proportional to 32,520,181.98, 48,784,734.42 and 18,879,731.76
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Solution
The fourth proportional to 32,520,181.98, 48,784,734.42 and 18,879,731.76 is: 28,322,187.75
Step by Step Solution
- Step 1: Write the proportion equation
32,520,181.98 : 48,784,734.42 = 18,879,731.76 : x - Step 2: Convert to fraction form
32,520,181.98/48,784,734.42 = 18,879,731.76/x - Step 3: Cross multiply
32,520,181.98x = 48,784,734.42 × 18,879,731.76 - Step 4: Simplify right side
32,520,181.98x = 921,042,699,832,439.25 - Step 5: Solve for x
x = 921,042,699,832,439.25/32,520,181.98 - Step 6: Final answer
x = 28,322,187.75
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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.