Finding the Fourth Proportional to 11,361,882.74, 15,679,498.41 and 6,467,420.03
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Solution
The fourth proportional to 11,361,882.74, 15,679,498.41 and 6,467,420.03 is: 8,925,096.69
Step by Step Solution
- Step 1: Write the proportion equation
11,361,882.74 : 15,679,498.41 = 6,467,420.03 : x - Step 2: Convert to fraction form
11,361,882.74/15,679,498.41 = 6,467,420.03/x - Step 3: Cross multiply
11,361,882.74x = 15,679,498.41 × 6,467,420.03 - Step 4: Simplify right side
11,361,882.74x = 101,405,901,998,789.67 - Step 5: Solve for x
x = 101,405,901,998,789.67/11,361,882.74 - Step 6: Final answer
x = 8,925,096.69
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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.