Finding the Fourth Proportional to 34,396,624.98, 47,465,919.28 and 18,715,713.98
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Solution
The fourth proportional to 34,396,624.98, 47,465,919.28 and 18,715,713.98 is: 25,826,910.91
Step by Step Solution
- Step 1: Write the proportion equation
34,396,624.98 : 47,465,919.28 = 18,715,713.98 : x - Step 2: Convert to fraction form
34,396,624.98/47,465,919.28 = 18,715,713.98/x - Step 3: Cross multiply
34,396,624.98x = 47,465,919.28 × 18,715,713.98 - Step 4: Simplify right side
34,396,624.98x = 888,358,569,042,247.62 - Step 5: Solve for x
x = 888,358,569,042,247.62/34,396,624.98 - Step 6: Final answer
x = 25,826,910.91
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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.