Finding the Fourth Proportional to 22,836,539.14, 31,515,043.68 and 12,914,905.49
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Solution
The fourth proportional to 22,836,539.14, 31,515,043.68 and 12,914,905.49 is: 17,822,920.02
Step by Step Solution
- Step 1: Write the proportion equation
22,836,539.14 : 31,515,043.68 = 12,914,905.49 : x - Step 2: Convert to fraction form
22,836,539.14/31,515,043.68 = 12,914,905.49/x - Step 3: Cross multiply
22,836,539.14x = 31,515,043.68 × 12,914,905.49 - Step 4: Simplify right side
22,836,539.14x = 407,013,810,575,847.31 - Step 5: Solve for x
x = 407,013,810,575,847.31/22,836,539.14 - Step 6: Final answer
x = 17,822,920.02
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1.5x scale
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.