Finding the Fourth Proportional to 11,874,338.12, 16,388,132.09 and 6,649,336.01
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Solution
The fourth proportional to 11,874,338.12, 16,388,132.09 and 6,649,336.01 is: 9,176,949.12
Step by Step Solution
- Step 1: Write the proportion equation
11,874,338.12 : 16,388,132.09 = 6,649,336.01 : x - Step 2: Convert to fraction form
11,874,338.12/16,388,132.09 = 6,649,336.01/x - Step 3: Cross multiply
11,874,338.12x = 16,388,132.09 × 6,649,336.01 - Step 4: Simplify right side
11,874,338.12x = 108,970,196,727,486.22 - Step 5: Solve for x
x = 108,970,196,727,486.22/11,874,338.12 - Step 6: Final answer
x = 9,176,949.12
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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.