Finding the Fourth Proportional to 14,615,694.96, 20,168,292.42 and 8,734,161.96
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Solution
The fourth proportional to 14,615,694.96, 20,168,292.42 and 8,734,161.96 is: 12,052,326.83
Step by Step Solution
- Step 1: Write the proportion equation
14,615,694.96 : 20,168,292.42 = 8,734,161.96 : x - Step 2: Convert to fraction form
14,615,694.96/20,168,292.42 = 8,734,161.96/x - Step 3: Cross multiply
14,615,694.96x = 20,168,292.42 × 8,734,161.96 - Step 4: Simplify right side
14,615,694.96x = 176,153,132,452,920.38 - Step 5: Solve for x
x = 176,153,132,452,920.38/14,615,694.96 - Step 6: Final answer
x = 12,052,326.83
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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.