Finding the Fourth Proportional to 7,988,598.11, 11,981,716.17 and 2,938,727.63
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Solution
The fourth proportional to 7,988,598.11, 11,981,716.17 and 2,938,727.63 is: 4,407,656.99
Step by Step Solution
- Step 1: Write the proportion equation
7,988,598.11 : 11,981,716.17 = 2,938,727.63 : x - Step 2: Convert to fraction form
7,988,598.11/11,981,716.17 = 2,938,727.63/x - Step 3: Cross multiply
7,988,598.11x = 11,981,716.17 × 2,938,727.63 - Step 4: Simplify right side
7,988,598.11x = 35,211,000,303,688.20 - Step 5: Solve for x
x = 35,211,000,303,688.20/7,988,598.11 - Step 6: Final answer
x = 4,407,656.99
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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.