Finding the Fourth Proportional to 16,461,634.86, 24,687,218.70 and 15,386,958.90
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Solution
The fourth proportional to 16,461,634.86, 24,687,218.70 and 15,386,958.90 is: 23,075,546.43
Step by Step Solution
- Step 1: Write the proportion equation
16,461,634.86 : 24,687,218.70 = 15,386,958.90 : x - Step 2: Convert to fraction form
16,461,634.86/24,687,218.70 = 15,386,958.90/x - Step 3: Cross multiply
16,461,634.86x = 24,687,218.70 × 15,386,958.90 - Step 4: Simplify right side
16,461,634.86x = 379,861,219,492,211.44 - Step 5: Solve for x
x = 379,861,219,492,211.44/16,461,634.86 - Step 6: Final answer
x = 23,075,546.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.