Finding the Fourth Proportional to 32,143,608.08, 44,358,537.69 and 18,915,708.68
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Solution
The fourth proportional to 32,143,608.08, 44,358,537.69 and 18,915,708.68 is: 26,103,888.97
Step by Step Solution
- Step 1: Write the proportion equation
32,143,608.08 : 44,358,537.69 = 18,915,708.68 : x - Step 2: Convert to fraction form
32,143,608.08/44,358,537.69 = 18,915,708.68/x - Step 3: Cross multiply
32,143,608.08x = 44,358,537.69 × 18,915,708.68 - Step 4: Simplify right side
32,143,608.08x = 839,073,176,414,840.12 - Step 5: Solve for x
x = 839,073,176,414,840.12/32,143,608.08 - Step 6: Final answer
x = 26,103,888.97
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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.