Finding the Fourth Proportional to 11,453,715.60, 17,180,177.40 and 2,934,135.60
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Solution
The fourth proportional to 11,453,715.60, 17,180,177.40 and 2,934,135.60 is: 4,401,101.96
Step by Step Solution
- Step 1: Write the proportion equation
11,453,715.60 : 17,180,177.40 = 2,934,135.60 : x - Step 2: Convert to fraction form
11,453,715.60/17,180,177.40 = 2,934,135.60/x - Step 3: Cross multiply
11,453,715.60x = 17,180,177.40 × 2,934,135.60 - Step 4: Simplify right side
11,453,715.60x = 50,408,970,123,655.44 - Step 5: Solve for x
x = 50,408,970,123,655.44/11,453,715.60 - Step 6: Final answer
x = 4,401,101.96
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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.