Finding the Fourth Proportional to 40,394,603.72, 55,744,757.70 and 22,059,888.68
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Solution
The fourth proportional to 40,394,603.72, 55,744,757.70 and 22,059,888.68 is: 30,442,758.09
Step by Step Solution
- Step 1: Write the proportion equation
40,394,603.72 : 55,744,757.70 = 22,059,888.68 : x - Step 2: Convert to fraction form
40,394,603.72/55,744,757.70 = 22,059,888.68/x - Step 3: Cross multiply
40,394,603.72x = 55,744,757.70 × 22,059,888.68 - Step 4: Simplify right side
40,394,603.72x = 1,229,723,149,355,573 - Step 5: Solve for x
x = 1,229,723,149,355,573/40,394,603.72 - Step 6: Final answer
x = 30,442,758.09
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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.