Finding the Fourth Proportional to 18,192,873.60, 27,289,747.80 and 5,413,795.20
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Solution
The fourth proportional to 18,192,873.60, 27,289,747.80 and 5,413,795.20 is: 8,120,822.96
Step by Step Solution
- Step 1: Write the proportion equation
18,192,873.60 : 27,289,747.80 = 5,413,795.20 : x - Step 2: Convert to fraction form
18,192,873.60/27,289,747.80 = 5,413,795.20/x - Step 3: Cross multiply
18,192,873.60x = 27,289,747.80 × 5,413,795.20 - Step 4: Simplify right side
18,192,873.60x = 147,741,105,648,850.56 - Step 5: Solve for x
x = 147,741,105,648,850.56/18,192,873.60 - Step 6: Final answer
x = 8,120,822.96
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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.