Finding the Fourth Proportional to 11,149,979.60, 16,713,672.60 and 7,556,106.80
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Solution
The fourth proportional to 11,149,979.60, 16,713,672.60 and 7,556,106.80 is: 11,326,504.60
Step by Step Solution
- Step 1: Write the proportion equation
11,149,979.60 : 16,713,672.60 = 7,556,106.80 : x - Step 2: Convert to fraction form
11,149,979.60/16,713,672.60 = 7,556,106.80/x - Step 3: Cross multiply
11,149,979.60x = 16,713,672.60 × 7,556,106.80 - Step 4: Simplify right side
11,149,979.60x = 126,290,295,185,833.67 - Step 5: Solve for x
x = 126,290,295,185,833.67/11,149,979.60 - Step 6: Final answer
x = 11,326,504.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.