Finding the Fourth Proportional to 21,409,290.05, 29,544,849.29 and 11,619,734.54
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Solution
The fourth proportional to 21,409,290.05, 29,544,849.29 and 11,619,734.54 is: 16,035,249.41
Step by Step Solution
- Step 1: Write the proportion equation
21,409,290.05 : 29,544,849.29 = 11,619,734.54 : x - Step 2: Convert to fraction form
21,409,290.05/29,544,849.29 = 11,619,734.54/x - Step 3: Cross multiply
21,409,290.05x = 29,544,849.29 × 11,619,734.54 - Step 4: Simplify right side
21,409,290.05x = 343,303,305,655,432.56 - Step 5: Solve for x
x = 343,303,305,655,432.56/21,409,290.05 - Step 6: Final answer
x = 16,035,249.41
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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.