Finding the Fourth Proportional to 22,836,539.64, 31,515,044.37 and 12,914,905.99
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Solution
The fourth proportional to 22,836,539.64, 31,515,044.37 and 12,914,905.99 is: 17,822,920.71
Step by Step Solution
- Step 1: Write the proportion equation
22,836,539.64 : 31,515,044.37 = 12,914,905.99 : x - Step 2: Convert to fraction form
22,836,539.64/31,515,044.37 = 12,914,905.99/x - Step 3: Cross multiply
22,836,539.64x = 31,515,044.37 × 12,914,905.99 - Step 4: Simplify right side
22,836,539.64x = 407,013,835,244,654.25 - Step 5: Solve for x
x = 407,013,835,244,654.25/22,836,539.64 - Step 6: Final answer
x = 17,822,920.71
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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.