Finding the Fourth Proportional to 10,353,442.20, 15,512,448.60 and 6,562,496.40
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Solution
The fourth proportional to 10,353,442.20, 15,512,448.60 and 6,562,496.40 is: 9,832,516.19
Step by Step Solution
- Step 1: Write the proportion equation
10,353,442.20 : 15,512,448.60 = 6,562,496.40 : x - Step 2: Convert to fraction form
10,353,442.20/15,512,448.60 = 6,562,496.40/x - Step 3: Cross multiply
10,353,442.20x = 15,512,448.60 × 6,562,496.40 - Step 4: Simplify right side
10,353,442.20x = 101,800,388,092,685.05 - Step 5: Solve for x
x = 101,800,388,092,685.05/10,353,442.20 - Step 6: Final answer
x = 9,832,516.19
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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.