Finding the Fourth Proportional to 18,012,121.62, 24,856,694.98 and 9,752,182.82
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Solution
The fourth proportional to 18,012,121.62, 24,856,694.98 and 9,752,182.82 is: 13,457,994.50
Step by Step Solution
- Step 1: Write the proportion equation
18,012,121.62 : 24,856,694.98 = 9,752,182.82 : x - Step 2: Convert to fraction form
18,012,121.62/24,856,694.98 = 9,752,182.82/x - Step 3: Cross multiply
18,012,121.62x = 24,856,694.98 × 9,752,182.82 - Step 4: Simplify right side
18,012,121.62x = 242,407,033,690,484.91 - Step 5: Solve for x
x = 242,407,033,690,484.91/18,012,121.62 - Step 6: Final answer
x = 13,457,994.50
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1.5x scale
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.