Finding the Fourth Proportional to 10,310,355.21, 15,467,524.47 and 3,920,110.70
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Solution
The fourth proportional to 10,310,355.21, 15,467,524.47 and 3,920,110.70 is: 5,880,923.30
Step by Step Solution
- Step 1: Write the proportion equation
10,310,355.21 : 15,467,524.47 = 3,920,110.70 : x - Step 2: Convert to fraction form
10,310,355.21/15,467,524.47 = 3,920,110.70/x - Step 3: Cross multiply
10,310,355.21x = 15,467,524.47 × 3,920,110.70 - Step 4: Simplify right side
10,310,355.21x = 60,634,408,219,505.10 - Step 5: Solve for x
x = 60,634,408,219,505.10/10,310,355.21 - Step 6: Final answer
x = 5,880,923.30
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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.