Finding the Fourth Proportional to 11,394,909.90, 15,725,163.18 and 6,238,186.38
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Solution
The fourth proportional to 11,394,909.90, 15,725,163.18 and 6,238,186.38 is: 8,608,799.86
Step by Step Solution
- Step 1: Write the proportion equation
11,394,909.90 : 15,725,163.18 = 6,238,186.38 : x - Step 2: Convert to fraction form
11,394,909.90/15,725,163.18 = 6,238,186.38/x - Step 3: Cross multiply
11,394,909.90x = 15,725,163.18 × 6,238,186.38 - Step 4: Simplify right side
11,394,909.90x = 98,096,498,772,753.48 - Step 5: Solve for x
x = 98,096,498,772,753.48/11,394,909.90 - Step 6: Final answer
x = 8,608,799.86
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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.