Finding the Fourth Proportional to 22,239,274.29, 30,689,964.09 and 12,449,798.97
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Solution
The fourth proportional to 22,239,274.29, 30,689,964.09 and 12,449,798.97 is: 17,180,591.34
Step by Step Solution
- Step 1: Write the proportion equation
22,239,274.29 : 30,689,964.09 = 12,449,798.97 : x - Step 2: Convert to fraction form
22,239,274.29/30,689,964.09 = 12,449,798.97/x - Step 3: Cross multiply
22,239,274.29x = 30,689,964.09 × 12,449,798.97 - Step 4: Simplify right side
22,239,274.29x = 382,083,883,317,019 - Step 5: Solve for x
x = 382,083,883,317,019/22,239,274.29 - Step 6: Final answer
x = 17,180,591.34
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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.