Finding the Fourth Proportional to 8,986,821.80, 13,480,232.70 and 6,861,057.80
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Solution
The fourth proportional to 8,986,821.80, 13,480,232.70 and 6,861,057.80 is: 10,291,586.70
Step by Step Solution
- Step 1: Write the proportion equation
8,986,821.80 : 13,480,232.70 = 6,861,057.80 : x - Step 2: Convert to fraction form
8,986,821.80/13,480,232.70 = 6,861,057.80/x - Step 3: Cross multiply
8,986,821.80x = 13,480,232.70 × 6,861,057.80 - Step 4: Simplify right side
8,986,821.80x = 92,488,655,712,150.05 - Step 5: Solve for x
x = 92,488,655,712,150.05/8,986,821.80 - Step 6: Final answer
x = 10,291,586.70
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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.