Finding the Fourth Proportional to 21,409,184.18, 29,544,703.40 and 11,619,628.49
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Solution
The fourth proportional to 21,409,184.18, 29,544,703.40 and 11,619,628.49 is: 16,035,103.18
Step by Step Solution
- Step 1: Write the proportion equation
21,409,184.18 : 29,544,703.40 = 11,619,628.49 : x - Step 2: Convert to fraction form
21,409,184.18/29,544,703.40 = 11,619,628.49/x - Step 3: Cross multiply
21,409,184.18x = 29,544,703.40 × 11,619,628.49 - Step 4: Simplify right side
21,409,184.18x = 343,298,477,458,150.69 - Step 5: Solve for x
x = 343,298,477,458,150.69/21,409,184.18 - Step 6: Final answer
x = 16,035,103.18
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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.