Finding the Fourth Proportional to 37,177,438.53, 51,302,616.12 and 20,656,998.21
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Solution
The fourth proportional to 37,177,438.53, 51,302,616.12 and 20,656,998.21 is: 28,505,407.88
Step by Step Solution
- Step 1: Write the proportion equation
37,177,438.53 : 51,302,616.12 = 20,656,998.21 : x - Step 2: Convert to fraction form
37,177,438.53/51,302,616.12 = 20,656,998.21/x - Step 3: Cross multiply
37,177,438.53x = 51,302,616.12 × 20,656,998.21 - Step 4: Simplify right side
37,177,438.53x = 1,059,758,049,359,157.12 - Step 5: Solve for x
x = 1,059,758,049,359,157.12/37,177,438.53 - Step 6: Final answer
x = 28,505,407.88
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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.