Finding the Fourth Proportional to 20,134,238.11, 30,195,845.17 and 5,557,672.99
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Solution
The fourth proportional to 20,134,238.11, 30,195,845.17 and 5,557,672.99 is: 8,334,988.00
Step by Step Solution
- Step 1: Write the proportion equation
20,134,238.11 : 30,195,845.17 = 5,557,672.99 : x - Step 2: Convert to fraction form
20,134,238.11/30,195,845.17 = 5,557,672.99/x - Step 3: Cross multiply
20,134,238.11x = 30,195,845.17 × 5,557,672.99 - Step 4: Simplify right side
20,134,238.11x = 167,818,633,111,530.97 - Step 5: Solve for x
x = 167,818,633,111,530.97/20,134,238.11 - Step 6: Final answer
x = 8,334,988.00
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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.