Finding the Fourth Proportional to 11,888,007.08, 16,405,715.67 and 6,661,405.13
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Solution
The fourth proportional to 11,888,007.08, 16,405,715.67 and 6,661,405.13 is: 9,192,888.08
Step by Step Solution
- Step 1: Write the proportion equation
11,888,007.08 : 16,405,715.67 = 6,661,405.13 : x - Step 2: Convert to fraction form
11,888,007.08/16,405,715.67 = 6,661,405.13/x - Step 3: Cross multiply
11,888,007.08x = 16,405,715.67 × 6,661,405.13 - Step 4: Simplify right side
11,888,007.08x = 109,285,118,525,459.39 - Step 5: Solve for x
x = 109,285,118,525,459.39/11,888,007.08 - Step 6: Final answer
x = 9,192,888.08
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1.5x scale
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.