Finding the Fourth Proportional to 18,996,678.43, 26,215,438.65 and 10,294,850.99
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Solution
The fourth proportional to 18,996,678.43, 26,215,438.65 and 10,294,850.99 is: 14,206,906.51
Step by Step Solution
- Step 1: Write the proportion equation
18,996,678.43 : 26,215,438.65 = 10,294,850.99 : x - Step 2: Convert to fraction form
18,996,678.43/26,215,438.65 = 10,294,850.99/x - Step 3: Cross multiply
18,996,678.43x = 26,215,438.65 × 10,294,850.99 - Step 4: Simplify right side
18,996,678.43x = 269,884,034,539,236.75 - Step 5: Solve for x
x = 269,884,034,539,236.75/18,996,678.43 - Step 6: Final answer
x = 14,206,906.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.