Finding the Fourth Proportional to 16,022,755.68, 24,031,528.56 and 5,239,893.12
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Solution
The fourth proportional to 16,022,755.68, 24,031,528.56 and 5,239,893.12 is: 7,858,987.78
Step by Step Solution
- Step 1: Write the proportion equation
16,022,755.68 : 24,031,528.56 = 5,239,893.12 : x - Step 2: Convert to fraction form
16,022,755.68/24,031,528.56 = 5,239,893.12/x - Step 3: Cross multiply
16,022,755.68x = 24,031,528.56 × 5,239,893.12 - Step 4: Simplify right side
16,022,755.68x = 125,922,641,164,627.50 - Step 5: Solve for x
x = 125,922,641,164,627.50/16,022,755.68 - Step 6: Final answer
x = 7,858,987.78
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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.