Finding the Fourth Proportional to 10,815,163.05, 14,924,923.89 and 5,920,388.46
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Solution
The fourth proportional to 10,815,163.05, 14,924,923.89 and 5,920,388.46 is: 8,170,135.46
Step by Step Solution
- Step 1: Write the proportion equation
10,815,163.05 : 14,924,923.89 = 5,920,388.46 : x - Step 2: Convert to fraction form
10,815,163.05/14,924,923.89 = 5,920,388.46/x - Step 3: Cross multiply
10,815,163.05x = 14,924,923.89 × 5,920,388.46 - Step 4: Simplify right side
10,815,163.05x = 88,361,347,164,734.31 - Step 5: Solve for x
x = 88,361,347,164,734.31/10,815,163.05 - Step 6: Final answer
x = 8,170,135.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.