Finding the Fourth Proportional to 27,201,880.70, 40,802,821.05 and 7,007,122.70
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Solution
The fourth proportional to 27,201,880.70, 40,802,821.05 and 7,007,122.70 is: 10,510,684.05
Step by Step Solution
- Step 1: Write the proportion equation
27,201,880.70 : 40,802,821.05 = 7,007,122.70 : x - Step 2: Convert to fraction form
27,201,880.70/40,802,821.05 = 7,007,122.70/x - Step 3: Cross multiply
27,201,880.70x = 40,802,821.05 × 7,007,122.70 - Step 4: Simplify right side
27,201,880.70x = 285,910,373,603,492.81 - Step 5: Solve for x
x = 285,910,373,603,492.81/27,201,880.70 - Step 6: Final answer
x = 10,510,684.05
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1.5x scale
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.