Finding the Fourth Proportional to 11,492,336.36, 17,226,869.70 and 7,451,382.44
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Solution
The fourth proportional to 11,492,336.36, 17,226,869.70 and 7,451,382.44 is: 11,169,529.88
Step by Step Solution
- Step 1: Write the proportion equation
11,492,336.36 : 17,226,869.70 = 7,451,382.44 : x - Step 2: Convert to fraction form
11,492,336.36/17,226,869.70 = 7,451,382.44/x - Step 3: Cross multiply
11,492,336.36x = 17,226,869.70 × 7,451,382.44 - Step 4: Simplify right side
11,492,336.36x = 128,363,994,378,748.06 - Step 5: Solve for x
x = 128,363,994,378,748.06/11,492,336.36 - Step 6: Final answer
x = 11,169,529.88
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1.5x scale
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.