Finding the Fourth Proportional to 16,795,841.70, 25,193,762.55 and 13,436,609.70
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Solution
The fourth proportional to 16,795,841.70, 25,193,762.55 and 13,436,609.70 is: 20,154,914.55
Step by Step Solution
- Step 1: Write the proportion equation
16,795,841.70 : 25,193,762.55 = 13,436,609.70 : x - Step 2: Convert to fraction form
16,795,841.70/25,193,762.55 = 13,436,609.70/x - Step 3: Cross multiply
16,795,841.70x = 25,193,762.55 × 13,436,609.70 - Step 4: Simplify right side
16,795,841.70x = 338,518,754,258,826.75 - Step 5: Solve for x
x = 338,518,754,258,826.75/16,795,841.70 - Step 6: Final answer
x = 20,154,914.55
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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.