Finding the Fourth Proportional to 14,361,414.90, 19,816,040.79 and 8,560,738.14
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Solution
The fourth proportional to 14,361,414.90, 19,816,040.79 and 8,560,738.14 is: 11,812,202.17
Step by Step Solution
- Step 1: Write the proportion equation
14,361,414.90 : 19,816,040.79 = 8,560,738.14 : x - Step 2: Convert to fraction form
14,361,414.90/19,816,040.79 = 8,560,738.14/x - Step 3: Cross multiply
14,361,414.90x = 19,816,040.79 × 8,560,738.14 - Step 4: Simplify right side
14,361,414.90x = 169,639,936,174,748.75 - Step 5: Solve for x
x = 169,639,936,174,748.75/14,361,414.90 - Step 6: Final answer
x = 11,812,202.17
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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.