Finding the Fourth Proportional to 19,822,375.84, 29,741,927.28 and 10,836,430.24
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Solution
The fourth proportional to 19,822,375.84, 29,741,927.28 and 10,836,430.24 is: 16,259,217.50
Step by Step Solution
- Step 1: Write the proportion equation
19,822,375.84 : 29,741,927.28 = 10,836,430.24 : x - Step 2: Convert to fraction form
19,822,375.84/29,741,927.28 = 10,836,430.24/x - Step 3: Cross multiply
19,822,375.84x = 29,741,927.28 × 10,836,430.24 - Step 4: Simplify right side
19,822,375.84x = 322,296,320,172,872.94 - Step 5: Solve for x
x = 322,296,320,172,872.94/19,822,375.84 - Step 6: Final answer
x = 16,259,217.50
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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.