Finding the Fourth Proportional to 22,585,913.91, 31,168,758.42 and 12,272,636.97
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Solution
The fourth proportional to 22,585,913.91, 31,168,758.42 and 12,272,636.97 is: 16,936,346.19
Step by Step Solution
- Step 1: Write the proportion equation
22,585,913.91 : 31,168,758.42 = 12,272,636.97 : x - Step 2: Convert to fraction form
22,585,913.91/31,168,758.42 = 12,272,636.97/x - Step 3: Cross multiply
22,585,913.91x = 31,168,758.42 × 12,272,636.97 - Step 4: Simplify right side
22,585,913.91x = 382,522,856,894,290.81 - Step 5: Solve for x
x = 382,522,856,894,290.81/22,585,913.91 - Step 6: Final answer
x = 16,936,346.19
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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.