Finding the Fourth Proportional to 19,536,803.38, 29,299,207.18 and 13,510,262.44
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Solution
The fourth proportional to 19,536,803.38, 29,299,207.18 and 13,510,262.44 is: 20,261,245.95
Step by Step Solution
- Step 1: Write the proportion equation
19,536,803.38 : 29,299,207.18 = 13,510,262.44 : x - Step 2: Convert to fraction form
19,536,803.38/29,299,207.18 = 13,510,262.44/x - Step 3: Cross multiply
19,536,803.38x = 29,299,207.18 × 13,510,262.44 - Step 4: Simplify right side
19,536,803.38x = 395,839,978,285,732.31 - Step 5: Solve for x
x = 395,839,978,285,732.31/19,536,803.38 - Step 6: Final answer
x = 20,261,245.95
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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.