Finding the Fourth Proportional to 17,911,192.42, 24,732,948 and 16,991,817.31
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Solution
The fourth proportional to 17,911,192.42, 24,732,948 and 16,991,817.31 is: 23,463,414.61
Step by Step Solution
- Step 1: Write the proportion equation
17,911,192.42 : 24,732,948 = 16,991,817.31 : x - Step 2: Convert to fraction form
17,911,192.42/24,732,948 = 16,991,817.31/x - Step 3: Cross multiply
17,911,192.42x = 24,732,948 × 16,991,817.31 - Step 4: Simplify right side
17,911,192.42x = 420,257,733,953,729.88 - Step 5: Solve for x
x = 420,257,733,953,729.88/17,911,192.42 - Step 6: Final answer
x = 23,463,414.61
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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.