Finding the Fourth Proportional to 8,764,809.80, 13,147,214.70 and 3,972,489.80
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Solution
The fourth proportional to 8,764,809.80, 13,147,214.70 and 3,972,489.80 is: 5,958,734.70
Step by Step Solution
- Step 1: Write the proportion equation
8,764,809.80 : 13,147,214.70 = 3,972,489.80 : x - Step 2: Convert to fraction form
8,764,809.80/13,147,214.70 = 3,972,489.80/x - Step 3: Cross multiply
8,764,809.80x = 13,147,214.70 × 3,972,489.80 - Step 4: Simplify right side
8,764,809.80x = 52,227,176,294,160.05 - Step 5: Solve for x
x = 52,227,176,294,160.05/8,764,809.80 - Step 6: Final answer
x = 5,958,734.70
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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.