Finding the Fourth Proportional to 18,444,416.81, 27,676,199.97 and 7,522,619.09
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Solution
The fourth proportional to 18,444,416.81, 27,676,199.97 and 7,522,619.09 is: 11,287,833.73
Step by Step Solution
- Step 1: Write the proportion equation
18,444,416.81 : 27,676,199.97 = 7,522,619.09 : x - Step 2: Convert to fraction form
18,444,416.81/27,676,199.97 = 7,522,619.09/x - Step 3: Cross multiply
18,444,416.81x = 27,676,199.97 × 7,522,619.09 - Step 4: Simplify right side
18,444,416.81x = 208,197,510,094,598.41 - Step 5: Solve for x
x = 208,197,510,094,598.41/18,444,416.81 - Step 6: Final answer
x = 11,287,833.73
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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.