Finding the Fourth Proportional to 24,217,207.92, 33,420,007.56 and 13,203,867.60
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Solution
The fourth proportional to 24,217,207.92, 33,420,007.56 and 13,203,867.60 is: 18,221,479.39
Step by Step Solution
- Step 1: Write the proportion equation
24,217,207.92 : 33,420,007.56 = 13,203,867.60 : x - Step 2: Convert to fraction form
24,217,207.92/33,420,007.56 = 13,203,867.60/x - Step 3: Cross multiply
24,217,207.92x = 33,420,007.56 × 13,203,867.60 - Step 4: Simplify right side
24,217,207.92x = 441,273,355,013,239 - Step 5: Solve for x
x = 441,273,355,013,239/24,217,207.92 - Step 6: Final answer
x = 18,221,479.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.