Finding the Fourth Proportional to 16,169,834.40, 24,219,322.20 and 8,587,942.80
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Solution
The fourth proportional to 16,169,834.40, 24,219,322.20 and 8,587,942.80 is: 12,863,097.33
Step by Step Solution
- Step 1: Write the proportion equation
16,169,834.40 : 24,219,322.20 = 8,587,942.80 : x - Step 2: Convert to fraction form
16,169,834.40/24,219,322.20 = 8,587,942.80/x - Step 3: Cross multiply
16,169,834.40x = 24,219,322.20 × 8,587,942.80 - Step 4: Simplify right side
16,169,834.40x = 207,994,153,708,370.16 - Step 5: Solve for x
x = 207,994,153,708,370.16/16,169,834.40 - Step 6: Final answer
x = 12,863,097.33
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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.