Finding the Fourth Proportional to 11,479,801.76, 15,842,124.56 and 6,323,163.12
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Solution
The fourth proportional to 11,479,801.76, 15,842,124.56 and 6,323,163.12 is: 8,725,964.08
Step by Step Solution
- Step 1: Write the proportion equation
11,479,801.76 : 15,842,124.56 = 6,323,163.12 : x - Step 2: Convert to fraction form
11,479,801.76/15,842,124.56 = 6,323,163.12/x - Step 3: Cross multiply
11,479,801.76x = 15,842,124.56 × 6,323,163.12 - Step 4: Simplify right side
11,479,801.76x = 100,172,337,760,238.23 - Step 5: Solve for x
x = 100,172,337,760,238.23/11,479,801.76 - Step 6: Final answer
x = 8,725,964.08
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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.