Finding the Fourth Proportional to 16,657,135.90, 22,986,415.88 and 9,215,072.82
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Solution
The fourth proportional to 16,657,135.90, 22,986,415.88 and 9,215,072.82 is: 12,716,561.69
Step by Step Solution
- Step 1: Write the proportion equation
16,657,135.90 : 22,986,415.88 = 9,215,072.82 : x - Step 2: Convert to fraction form
16,657,135.90/22,986,415.88 = 9,215,072.82/x - Step 3: Cross multiply
16,657,135.90x = 22,986,415.88 × 9,215,072.82 - Step 4: Simplify right side
16,657,135.90x = 211,821,496,228,042.06 - Step 5: Solve for x
x = 211,821,496,228,042.06/16,657,135.90 - Step 6: Final answer
x = 12,716,561.69
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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.