Finding the Fourth Proportional to 11,394,649.08, 15,726,112.60 and 6,498,748.84
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Solution
The fourth proportional to 11,394,649.08, 15,726,112.60 and 6,498,748.84 is: 8,969,127.11
Step by Step Solution
- Step 1: Write the proportion equation
11,394,649.08 : 15,726,112.60 = 6,498,748.84 : x - Step 2: Convert to fraction form
11,394,649.08/15,726,112.60 = 6,498,748.84/x - Step 3: Cross multiply
11,394,649.08x = 15,726,112.60 × 6,498,748.84 - Step 4: Simplify right side
11,394,649.08x = 102,200,056,016,959.38 - Step 5: Solve for x
x = 102,200,056,016,959.38/11,394,649.08 - Step 6: Final answer
x = 8,969,127.11
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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.