Finding the Fourth Proportional to 10,330,933.76, 15,496,400.56 and 3,766,135.02
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Solution
The fourth proportional to 10,330,933.76, 15,496,400.56 and 3,766,135.02 is: 5,649,202.50
Step by Step Solution
- Step 1: Write the proportion equation
10,330,933.76 : 15,496,400.56 = 3,766,135.02 : x - Step 2: Convert to fraction form
10,330,933.76/15,496,400.56 = 3,766,135.02/x - Step 3: Cross multiply
10,330,933.76x = 15,496,400.56 × 3,766,135.02 - Step 4: Simplify right side
10,330,933.76x = 58,361,536,814,132.94 - Step 5: Solve for x
x = 58,361,536,814,132.94/10,330,933.76 - Step 6: Final answer
x = 5,649,202.50
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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.