Finding the Fourth Proportional to 11,553,589.44, 15,944,451.21 and 6,396,950.70
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Solution
The fourth proportional to 11,553,589.44, 15,944,451.21 and 6,396,950.70 is: 8,828,067.58
Step by Step Solution
- Step 1: Write the proportion equation
11,553,589.44 : 15,944,451.21 = 6,396,950.70 : x - Step 2: Convert to fraction form
11,553,589.44/15,944,451.21 = 6,396,950.70/x - Step 3: Cross multiply
11,553,589.44x = 15,944,451.21 × 6,396,950.70 - Step 4: Simplify right side
11,553,589.44x = 101,995,868,328,925.36 - Step 5: Solve for x
x = 101,995,868,328,925.36/11,553,589.44 - Step 6: Final answer
x = 8,828,067.58
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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.