Finding the Fourth Proportional to 22,585,942.68, 31,168,797.75 and 12,272,665.74
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Solution
The fourth proportional to 22,585,942.68, 31,168,797.75 and 12,272,665.74 is: 16,936,385.69
Step by Step Solution
- Step 1: Write the proportion equation
22,585,942.68 : 31,168,797.75 = 12,272,665.74 : x - Step 2: Convert to fraction form
22,585,942.68/31,168,797.75 = 12,272,665.74/x - Step 3: Cross multiply
22,585,942.68x = 31,168,797.75 × 12,272,665.74 - Step 4: Simplify right side
22,585,942.68x = 382,524,236,303,414.06 - Step 5: Solve for x
x = 382,524,236,303,414.06/22,585,942.68 - Step 6: Final answer
x = 16,936,385.69
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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.