Finding the Fourth Proportional to 11,963,757.48, 16,509,901.34 and 6,531,249.48
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Solution
The fourth proportional to 11,963,757.48, 16,509,901.34 and 6,531,249.48 is: 9,013,078.43
Step by Step Solution
- Step 1: Write the proportion equation
11,963,757.48 : 16,509,901.34 = 6,531,249.48 : x - Step 2: Convert to fraction form
11,963,757.48/16,509,901.34 = 6,531,249.48/x - Step 3: Cross multiply
11,963,757.48x = 16,509,901.34 × 6,531,249.48 - Step 4: Simplify right side
11,963,757.48x = 107,830,284,541,726.31 - Step 5: Solve for x
x = 107,830,284,541,726.31/11,963,757.48 - Step 6: Final answer
x = 9,013,078.43
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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.