Finding the Fourth Proportional to 25,537,697.42, 38,305,474.49 and 11,886,148.17
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Solution
The fourth proportional to 25,537,697.42, 38,305,474.49 and 11,886,148.17 is: 17,828,723.48
Step by Step Solution
- Step 1: Write the proportion equation
25,537,697.42 : 38,305,474.49 = 11,886,148.17 : x - Step 2: Convert to fraction form
25,537,697.42/38,305,474.49 = 11,886,148.17/x - Step 3: Cross multiply
25,537,697.42x = 38,305,474.49 × 11,886,148.17 - Step 4: Simplify right side
25,537,697.42x = 455,304,545,540,010.56 - Step 5: Solve for x
x = 455,304,545,540,010.56/25,537,697.42 - Step 6: Final answer
x = 17,828,723.48
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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.