Finding the Fourth Proportional to 19,912,936.88, 29,859,393.72 and 11,606,414.42
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Solution
The fourth proportional to 19,912,936.88, 29,859,393.72 and 11,606,414.42 is: 17,403,786.29
Step by Step Solution
- Step 1: Write the proportion equation
19,912,936.88 : 29,859,393.72 = 11,606,414.42 : x - Step 2: Convert to fraction form
19,912,936.88/29,859,393.72 = 11,606,414.42/x - Step 3: Cross multiply
19,912,936.88x = 29,859,393.72 × 11,606,414.42 - Step 4: Simplify right side
19,912,936.88x = 346,560,497,844,265.44 - Step 5: Solve for x
x = 346,560,497,844,265.44/19,912,936.88 - Step 6: Final answer
x = 17,403,786.29
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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.