Finding the Fourth Proportional to 21,349,846.06, 29,462,245.50 and 11,930,717.86
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Solution
The fourth proportional to 21,349,846.06, 29,462,245.50 and 11,930,717.86 is: 16,464,087.73
Step by Step Solution
- Step 1: Write the proportion equation
21,349,846.06 : 29,462,245.50 = 11,930,717.86 : x - Step 2: Convert to fraction form
21,349,846.06/29,462,245.50 = 11,930,717.86/x - Step 3: Cross multiply
21,349,846.06x = 29,462,245.50 × 11,930,717.86 - Step 4: Simplify right side
21,349,846.06x = 351,505,738,582,554.62 - Step 5: Solve for x
x = 351,505,738,582,554.62/21,349,846.06 - Step 6: Final answer
x = 16,464,087.73
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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.