Finding the Fourth Proportional to 14,974,486.20, 22,461,729.30 and 4,877,107.20
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Solution
The fourth proportional to 14,974,486.20, 22,461,729.30 and 4,877,107.20 is: 7,315,660.80
Step by Step Solution
- Step 1: Write the proportion equation
14,974,486.20 : 22,461,729.30 = 4,877,107.20 : x - Step 2: Convert to fraction form
14,974,486.20/22,461,729.30 = 4,877,107.20/x - Step 3: Cross multiply
14,974,486.20x = 22,461,729.30 × 4,877,107.20 - Step 4: Simplify right side
14,974,486.20x = 109,548,261,693,480.97 - Step 5: Solve for x
x = 109,548,261,693,480.97/14,974,486.20 - Step 6: Final answer
x = 7,315,660.80
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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.