Finding the Fourth Proportional to 27,170,873.80, 40,745,485.05 and 8,970,003.70
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Solution
The fourth proportional to 27,170,873.80, 40,745,485.05 and 8,970,003.70 is: 13,451,431.65
Step by Step Solution
- Step 1: Write the proportion equation
27,170,873.80 : 40,745,485.05 = 8,970,003.70 : x - Step 2: Convert to fraction form
27,170,873.80/40,745,485.05 = 8,970,003.70/x - Step 3: Cross multiply
27,170,873.80x = 40,745,485.05 × 8,970,003.70 - Step 4: Simplify right side
27,170,873.80x = 365,487,151,656,794.62 - Step 5: Solve for x
x = 365,487,151,656,794.62/27,170,873.80 - Step 6: Final answer
x = 13,451,431.65
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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.