Finding the Fourth Proportional to 16,659,624.40, 24,972,847.80 and 7,668,494.80
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Solution
The fourth proportional to 16,659,624.40, 24,972,847.80 and 7,668,494.80 is: 11,495,106.31
Step by Step Solution
- Step 1: Write the proportion equation
16,659,624.40 : 24,972,847.80 = 7,668,494.80 : x - Step 2: Convert to fraction form
16,659,624.40/24,972,847.80 = 7,668,494.80/x - Step 3: Cross multiply
16,659,624.40x = 24,972,847.80 × 7,668,494.80 - Step 4: Simplify right side
16,659,624.40x = 191,504,153,495,491.44 - Step 5: Solve for x
x = 191,504,153,495,491.44/16,659,624.40 - Step 6: Final answer
x = 11,495,106.31
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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.