Finding the Fourth Proportional to 18,444,405.36, 27,676,182.82 and 7,522,607.62
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Solution
The fourth proportional to 18,444,405.36, 27,676,182.82 and 7,522,607.62 is: 11,287,816.53
Step by Step Solution
- Step 1: Write the proportion equation
18,444,405.36 : 27,676,182.82 = 7,522,607.62 : x - Step 2: Convert to fraction form
18,444,405.36/27,676,182.82 = 7,522,607.62/x - Step 3: Cross multiply
18,444,405.36x = 27,676,182.82 × 7,522,607.62 - Step 4: Simplify right side
18,444,405.36x = 208,197,063,774,245.09 - Step 5: Solve for x
x = 208,197,063,774,245.09/18,444,405.36 - Step 6: Final answer
x = 11,287,816.53
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1.5x scale
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.