Finding the Fourth Proportional to 20,564,231.40, 30,840,129.36 and 6,183,481.68
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Solution
The fourth proportional to 20,564,231.40, 30,840,129.36 and 6,183,481.68 is: 9,273,352.90
Step by Step Solution
- Step 1: Write the proportion equation
20,564,231.40 : 30,840,129.36 = 6,183,481.68 : x - Step 2: Convert to fraction form
20,564,231.40/30,840,129.36 = 6,183,481.68/x - Step 3: Cross multiply
20,564,231.40x = 30,840,129.36 × 6,183,481.68 - Step 4: Simplify right side
20,564,231.40x = 190,699,374,906,390.12 - Step 5: Solve for x
x = 190,699,374,906,390.12/20,564,231.40 - Step 6: Final answer
x = 9,273,352.90
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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.