Finding the Fourth Proportional to 14,786,934.26, 20,376,901.42 and 11,306,216.84
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Solution
The fourth proportional to 14,786,934.26, 20,376,901.42 and 11,306,216.84 is: 15,580,353.70
Step by Step Solution
- Step 1: Write the proportion equation
14,786,934.26 : 20,376,901.42 = 11,306,216.84 : x - Step 2: Convert to fraction form
14,786,934.26/20,376,901.42 = 11,306,216.84/x - Step 3: Cross multiply
14,786,934.26x = 20,376,901.42 × 11,306,216.84 - Step 4: Simplify right side
14,786,934.26x = 230,385,665,851,673.88 - Step 5: Solve for x
x = 230,385,665,851,673.88/14,786,934.26 - Step 6: Final answer
x = 15,580,353.70
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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.