Finding the Fourth Proportional to 18,148,635.36, 27,235,526.16 and 7,217,704.80
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Solution
The fourth proportional to 18,148,635.36, 27,235,526.16 and 7,217,704.80 is: 10,831,557.52
Step by Step Solution
- Step 1: Write the proportion equation
18,148,635.36 : 27,235,526.16 = 7,217,704.80 : x - Step 2: Convert to fraction form
18,148,635.36/27,235,526.16 = 7,217,704.80/x - Step 3: Cross multiply
18,148,635.36x = 27,235,526.16 × 7,217,704.80 - Step 4: Simplify right side
18,148,635.36x = 196,577,987,895,557.56 - Step 5: Solve for x
x = 196,577,987,895,557.56/18,148,635.36 - Step 6: Final answer
x = 10,831,557.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.