Finding the Fourth Proportional to 21,376,942.88, 29,524,697.61 and 14,067,407.94
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Solution
The fourth proportional to 21,376,942.88, 29,524,697.61 and 14,067,407.94 is: 19,429,156.35
Step by Step Solution
- Step 1: Write the proportion equation
21,376,942.88 : 29,524,697.61 = 14,067,407.94 : x - Step 2: Convert to fraction form
21,376,942.88/29,524,697.61 = 14,067,407.94/x - Step 3: Cross multiply
21,376,942.88x = 29,524,697.61 × 14,067,407.94 - Step 4: Simplify right side
21,376,942.88x = 415,335,965,421,542.62 - Step 5: Solve for x
x = 415,335,965,421,542.62/21,376,942.88 - Step 6: Final answer
x = 19,429,156.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.