Finding the Fourth Proportional to 8,952,689.80, 13,429,034.70 and 2,969,057.80
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Solution
The fourth proportional to 8,952,689.80, 13,429,034.70 and 2,969,057.80 is: 4,453,586.70
Step by Step Solution
- Step 1: Write the proportion equation
8,952,689.80 : 13,429,034.70 = 2,969,057.80 : x - Step 2: Convert to fraction form
8,952,689.80/13,429,034.70 = 2,969,057.80/x - Step 3: Cross multiply
8,952,689.80x = 13,429,034.70 × 2,969,057.80 - Step 4: Simplify right side
8,952,689.80x = 39,871,580,222,505.66 - Step 5: Solve for x
x = 39,871,580,222,505.66/8,952,689.80 - Step 6: Final answer
x = 4,453,586.70
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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.