Finding the Fourth Proportional to 11,888,022.04, 16,405,736.42 and 6,661,420.08
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Solution
The fourth proportional to 11,888,022.04, 16,405,736.42 and 6,661,420.08 is: 9,192,908.77
Step by Step Solution
- Step 1: Write the proportion equation
11,888,022.04 : 16,405,736.42 = 6,661,420.08 : x - Step 2: Convert to fraction form
11,888,022.04/16,405,736.42 = 6,661,420.08/x - Step 3: Cross multiply
11,888,022.04x = 16,405,736.42 × 6,661,420.08 - Step 4: Simplify right side
11,888,022.04x = 109,285,502,015,375.31 - Step 5: Solve for x
x = 109,285,502,015,375.31/11,888,022.04 - Step 6: Final answer
x = 9,192,908.77
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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.