Finding the Fourth Proportional to 53,515,274.40, 80,304,404.40 and 19,440,064.80
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Solution
The fourth proportional to 53,515,274.40, 80,304,404.40 and 19,440,064.80 is: 29,171,537.34
Step by Step Solution
- Step 1: Write the proportion equation
53,515,274.40 : 80,304,404.40 = 19,440,064.80 : x - Step 2: Convert to fraction form
53,515,274.40/80,304,404.40 = 19,440,064.80/x - Step 3: Cross multiply
53,515,274.40x = 80,304,404.40 × 19,440,064.80 - Step 4: Simplify right side
53,515,274.40x = 1,561,122,825,261,405.25 - Step 5: Solve for x
x = 1,561,122,825,261,405.25/53,515,274.40 - Step 6: Final answer
x = 29,171,537.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.