Finding the Fourth Proportional to 12,135,537.26, 16,747,040.77 and 6,553,783.31
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Solution
The fourth proportional to 12,135,537.26, 16,747,040.77 and 6,553,783.31 is: 9,044,220.61
Step by Step Solution
- Step 1: Write the proportion equation
12,135,537.26 : 16,747,040.77 = 6,553,783.31 : x - Step 2: Convert to fraction form
12,135,537.26/16,747,040.77 = 6,553,783.31/x - Step 3: Cross multiply
12,135,537.26x = 16,747,040.77 × 6,553,783.31 - Step 4: Simplify right side
12,135,537.26x = 109,756,476,190,195.88 - Step 5: Solve for x
x = 109,756,476,190,195.88/12,135,537.26 - Step 6: Final answer
x = 9,044,220.61
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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.