Finding the Fourth Proportional to 21,678,874.97, 32,536,201.70 and 10,899,239.45
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Solution
The fourth proportional to 21,678,874.97, 32,536,201.70 and 10,899,239.45 is: 16,357,853.15
Step by Step Solution
- Step 1: Write the proportion equation
21,678,874.97 : 32,536,201.70 = 10,899,239.45 : x - Step 2: Convert to fraction form
21,678,874.97/32,536,201.70 = 10,899,239.45/x - Step 3: Cross multiply
21,678,874.97x = 32,536,201.70 × 10,899,239.45 - Step 4: Simplify right side
21,678,874.97x = 354,619,853,121,797.06 - Step 5: Solve for x
x = 354,619,853,121,797.06/21,678,874.97 - Step 6: Final answer
x = 16,357,853.15
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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.