Finding the Fourth Proportional to 10,975,238.40, 16,416,201.60 and 9,846,163.20
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Solution
The fourth proportional to 10,975,238.40, 16,416,201.60 and 9,846,163.20 is: 14,727,388.53
Step by Step Solution
- Step 1: Write the proportion equation
10,975,238.40 : 16,416,201.60 = 9,846,163.20 : x - Step 2: Convert to fraction form
10,975,238.40/16,416,201.60 = 9,846,163.20/x - Step 3: Cross multiply
10,975,238.40x = 16,416,201.60 × 9,846,163.20 - Step 4: Simplify right side
10,975,238.40x = 161,636,600,077,701.09 - Step 5: Solve for x
x = 161,636,600,077,701.09/10,975,238.40 - Step 6: Final answer
x = 14,727,388.53
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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.