Finding the Fourth Proportional to 21,353,717.38, 32,081,675.21 and 13,692,372.52
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Solution
The fourth proportional to 21,353,717.38, 32,081,675.21 and 13,692,372.52 is: 20,571,324.43
Step by Step Solution
- Step 1: Write the proportion equation
21,353,717.38 : 32,081,675.21 = 13,692,372.52 : x - Step 2: Convert to fraction form
21,353,717.38/32,081,675.21 = 13,692,372.52/x - Step 3: Cross multiply
21,353,717.38x = 32,081,675.21 × 13,692,372.52 - Step 4: Simplify right side
21,353,717.38x = 439,274,247,972,507.31 - Step 5: Solve for x
x = 439,274,247,972,507.31/21,353,717.38 - Step 6: Final answer
x = 20,571,324.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.