Finding the Fourth Proportional to 11,230,494.21, 15,498,081.81 and 6,073,855.74
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Solution
The fourth proportional to 11,230,494.21, 15,498,081.81 and 6,073,855.74 is: 8,381,920.81
Step by Step Solution
- Step 1: Write the proportion equation
11,230,494.21 : 15,498,081.81 = 6,073,855.74 : x - Step 2: Convert to fraction form
11,230,494.21/15,498,081.81 = 6,073,855.74/x - Step 3: Cross multiply
11,230,494.21x = 15,498,081.81 × 6,073,855.74 - Step 4: Simplify right side
11,230,494.21x = 94,133,113,160,658.09 - Step 5: Solve for x
x = 94,133,113,160,658.09/11,230,494.21 - Step 6: Final answer
x = 8,381,920.81
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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.