Finding the Fourth Proportional to 21,554,663,455.37, 29,745,119,006.67 and 12,039,354,067.97
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Solution
The fourth proportional to 21,554,663,455.37, 29,745,119,006.67 and 12,039,354,067.97 is: 16,614,131,798.29
Step by Step Solution
- Step 1: Write the proportion equation
21,554,663,455.37 : 29,745,119,006.67 = 12,039,354,067.97 : x - Step 2: Convert to fraction form
21,554,663,455.37/29,745,119,006.67 = 12,039,354,067.97/x - Step 3: Cross multiply
21,554,663,455.37x = 29,745,119,006.67 × 12,039,354,067.97 - Step 4: Simplify right side
21,554,663,455.37x = 358,112,019,515,204,173,824 - Step 5: Solve for x
x = 358,112,019,515,204,173,824/21,554,663,455.37 - Step 6: Final answer
x = 16,614,131,798.29
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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.