Finding the Fourth Proportional to 16,618,861.60, 24,930,625.20 and 5,258,125.60
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Solution
The fourth proportional to 16,618,861.60, 24,930,625.20 and 5,258,125.60 is: 7,887,926.49
Step by Step Solution
- Step 1: Write the proportion equation
16,618,861.60 : 24,930,625.20 = 5,258,125.60 : x - Step 2: Convert to fraction form
16,618,861.60/24,930,625.20 = 5,258,125.60/x - Step 3: Cross multiply
16,618,861.60x = 24,930,625.20 × 5,258,125.60 - Step 4: Simplify right side
16,618,861.60x = 131,088,358,588,125.11 - Step 5: Solve for x
x = 131,088,358,588,125.11/16,618,861.60 - Step 6: Final answer
x = 7,887,926.49
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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.