Finding the Fourth Proportional to 21,509,346.85, 29,682,902.92 and 11,719,791.04
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Solution
The fourth proportional to 21,509,346.85, 29,682,902.92 and 11,719,791.04 is: 16,173,313.96
Step by Step Solution
- Step 1: Write the proportion equation
21,509,346.85 : 29,682,902.92 = 11,719,791.04 : x - Step 2: Convert to fraction form
21,509,346.85/29,682,902.92 = 11,719,791.04/x - Step 3: Cross multiply
21,509,346.85x = 29,682,902.92 × 11,719,791.04 - Step 4: Simplify right side
21,509,346.85x = 347,877,419,563,890.81 - Step 5: Solve for x
x = 347,877,419,563,890.81/21,509,346.85 - Step 6: Final answer
x = 16,173,313.96
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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.