Finding the Fourth Proportional to 7,416,408.60, 11,124,612.90 and 3,156,715.80
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Solution
The fourth proportional to 7,416,408.60, 11,124,612.90 and 3,156,715.80 is: 4,735,073.70
Step by Step Solution
- Step 1: Write the proportion equation
7,416,408.60 : 11,124,612.90 = 3,156,715.80 : x - Step 2: Convert to fraction form
7,416,408.60/11,124,612.90 = 3,156,715.80/x - Step 3: Cross multiply
7,416,408.60x = 11,124,612.90 × 3,156,715.80 - Step 4: Simplify right side
7,416,408.60x = 35,117,241,310,313.82 - Step 5: Solve for x
x = 35,117,241,310,313.82/7,416,408.60 - Step 6: Final answer
x = 4,735,073.70
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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.