Finding the Fourth Proportional to 11,081,613.97, 16,632,638.39 and 5,620,541.02
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Solution
The fourth proportional to 11,081,613.97, 16,632,638.39 and 5,620,541.02 is: 8,435,993.76
Step by Step Solution
- Step 1: Write the proportion equation
11,081,613.97 : 16,632,638.39 = 5,620,541.02 : x - Step 2: Convert to fraction form
11,081,613.97/16,632,638.39 = 5,620,541.02/x - Step 3: Cross multiply
11,081,613.97x = 16,632,638.39 × 5,620,541.02 - Step 4: Simplify right side
11,081,613.97x = 93,484,426,313,719.05 - Step 5: Solve for x
x = 93,484,426,313,719.05/11,081,613.97 - Step 6: Final answer
x = 8,435,993.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.