Finding the Fourth Proportional to 22,210,872.66, 33,330,695.04 and 11,982,792.47
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Solution
The fourth proportional to 22,210,872.66, 33,330,695.04 and 11,982,792.47 is: 17,981,949.99
Step by Step Solution
- Step 1: Write the proportion equation
22,210,872.66 : 33,330,695.04 = 11,982,792.47 : x - Step 2: Convert to fraction form
22,210,872.66/33,330,695.04 = 11,982,792.47/x - Step 3: Cross multiply
22,210,872.66x = 33,330,695.04 × 11,982,792.47 - Step 4: Simplify right side
22,210,872.66x = 399,394,801,378,524.88 - Step 5: Solve for x
x = 399,394,801,378,524.88/22,210,872.66 - Step 6: Final answer
x = 17,981,949.99
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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.