Finding the Fourth Proportional to 13,475,464.70, 20,213,197.05 and 4,954,037.90
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Solution
The fourth proportional to 13,475,464.70, 20,213,197.05 and 4,954,037.90 is: 7,431,056.85
Step by Step Solution
- Step 1: Write the proportion equation
13,475,464.70 : 20,213,197.05 = 4,954,037.90 : x - Step 2: Convert to fraction form
13,475,464.70/20,213,197.05 = 4,954,037.90/x - Step 3: Cross multiply
13,475,464.70x = 20,213,197.05 × 4,954,037.90 - Step 4: Simplify right side
13,475,464.70x = 100,136,944,265,868.20 - Step 5: Solve for x
x = 100,136,944,265,868.20/13,475,464.70 - Step 6: Final answer
x = 7,431,056.85
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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.