Finding the Fourth Proportional to 19,450,954.68, 29,150,352.18 and 15,138,212.64
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Solution
The fourth proportional to 19,450,954.68, 29,150,352.18 and 15,138,212.64 is: 22,687,021.64
Step by Step Solution
- Step 1: Write the proportion equation
19,450,954.68 : 29,150,352.18 = 15,138,212.64 : x - Step 2: Convert to fraction form
19,450,954.68/29,150,352.18 = 15,138,212.64/x - Step 3: Cross multiply
19,450,954.68x = 29,150,352.18 × 15,138,212.64 - Step 4: Simplify right side
19,450,954.68x = 441,284,229,831,727.56 - Step 5: Solve for x
x = 441,284,229,831,727.56/19,450,954.68 - Step 6: Final answer
x = 22,687,021.64
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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.