Finding the Fourth Proportional to 10,862,108.80, 16,293,163.20 and 10,694,147.20
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Solution
The fourth proportional to 10,862,108.80, 16,293,163.20 and 10,694,147.20 is: 16,041,220.80
Step by Step Solution
- Step 1: Write the proportion equation
10,862,108.80 : 16,293,163.20 = 10,694,147.20 : x - Step 2: Convert to fraction form
10,862,108.80/16,293,163.20 = 10,694,147.20/x - Step 3: Cross multiply
10,862,108.80x = 16,293,163.20 × 10,694,147.20 - Step 4: Simplify right side
10,862,108.80x = 174,241,485,614,423.03 - Step 5: Solve for x
x = 174,241,485,614,423.03/10,862,108.80 - Step 6: Final answer
x = 16,041,220.80
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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.