Finding the Fourth Proportional to 10,480,052.40, 15,682,753.80 and 7,270,119.60
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Solution
The fourth proportional to 10,480,052.40, 15,682,753.80 and 7,270,119.60 is: 10,879,286.80
Step by Step Solution
- Step 1: Write the proportion equation
10,480,052.40 : 15,682,753.80 = 7,270,119.60 : x - Step 2: Convert to fraction form
10,480,052.40/15,682,753.80 = 7,270,119.60/x - Step 3: Cross multiply
10,480,052.40x = 15,682,753.80 × 7,270,119.60 - Step 4: Simplify right side
10,480,052.40x = 114,015,495,783,354.48 - Step 5: Solve for x
x = 114,015,495,783,354.48/10,480,052.40 - Step 6: Final answer
x = 10,879,286.80
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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.