Finding the Fourth Proportional to 15,582,492.18, 21,503,463.84 and 8,517,771.41
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Solution
The fourth proportional to 15,582,492.18, 21,503,463.84 and 8,517,771.41 is: 11,754,319.35
Step by Step Solution
- Step 1: Write the proportion equation
15,582,492.18 : 21,503,463.84 = 8,517,771.41 : x - Step 2: Convert to fraction form
15,582,492.18/21,503,463.84 = 8,517,771.41/x - Step 3: Cross multiply
15,582,492.18x = 21,503,463.84 × 8,517,771.41 - Step 4: Simplify right side
15,582,492.18x = 183,161,589,380,843 - Step 5: Solve for x
x = 183,161,589,380,843/15,582,492.18 - Step 6: Final answer
x = 11,754,319.35
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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.