Finding the Fourth Proportional to 19,760,865.75, 27,269,994.75 and 10,716,897.75
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Solution
The fourth proportional to 19,760,865.75, 27,269,994.75 and 10,716,897.75 is: 14,789,318.90
Step by Step Solution
- Step 1: Write the proportion equation
19,760,865.75 : 27,269,994.75 = 10,716,897.75 : x - Step 2: Convert to fraction form
19,760,865.75/27,269,994.75 = 10,716,897.75/x - Step 3: Cross multiply
19,760,865.75x = 27,269,994.75 × 10,716,897.75 - Step 4: Simplify right side
19,760,865.75x = 292,249,745,378,786.81 - Step 5: Solve for x
x = 292,249,745,378,786.81/19,760,865.75 - Step 6: Final answer
x = 14,789,318.90
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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.