Finding the Fourth Proportional to 19,930,906.71, 27,504,650.36 and 10,763,548.65
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Solution
The fourth proportional to 19,930,906.71, 27,504,650.36 and 10,763,548.65 is: 14,853,696.65
Step by Step Solution
- Step 1: Write the proportion equation
19,930,906.71 : 27,504,650.36 = 10,763,548.65 : x - Step 2: Convert to fraction form
19,930,906.71/27,504,650.36 = 10,763,548.65/x - Step 3: Cross multiply
19,930,906.71x = 27,504,650.36 × 10,763,548.65 - Step 4: Simplify right side
19,930,906.71x = 296,047,642,197,282.31 - Step 5: Solve for x
x = 296,047,642,197,282.31/19,930,906.71 - Step 6: Final answer
x = 14,853,696.65
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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.