Finding the Fourth Proportional to 18,430,289.70, 27,610,183.35 and 9,907,793.70
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Solution
The fourth proportional to 18,430,289.70, 27,610,183.35 and 9,907,793.70 is: 14,842,740.14
Step by Step Solution
- Step 1: Write the proportion equation
18,430,289.70 : 27,610,183.35 = 9,907,793.70 : x - Step 2: Convert to fraction form
18,430,289.70/27,610,183.35 = 9,907,793.70/x - Step 3: Cross multiply
18,430,289.70x = 27,610,183.35 × 9,907,793.70 - Step 4: Simplify right side
18,430,289.70x = 273,556,000,650,974.88 - Step 5: Solve for x
x = 273,556,000,650,974.88/18,430,289.70 - Step 6: Final answer
x = 14,842,740.14
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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.