Finding the Fourth Proportional to 11,542,044.38, 15,928,036.75 and 6,315,543.58
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Solution
The fourth proportional to 11,542,044.38, 15,928,036.75 and 6,315,543.58 is: 8,715,458.62
Step by Step Solution
- Step 1: Write the proportion equation
11,542,044.38 : 15,928,036.75 = 6,315,543.58 : x - Step 2: Convert to fraction form
11,542,044.38/15,928,036.75 = 6,315,543.58/x - Step 3: Cross multiply
11,542,044.38x = 15,928,036.75 × 6,315,543.58 - Step 4: Simplify right side
11,542,044.38x = 100,594,210,200,881.03 - Step 5: Solve for x
x = 100,594,210,200,881.03/11,542,044.38 - Step 6: Final answer
x = 8,715,458.62
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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.