Finding the Fourth Proportional to 21,905,103.98, 32,850,668.11 and 7,524,704.18
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Solution
The fourth proportional to 21,905,103.98, 32,850,668.11 and 7,524,704.18 is: 11,284,655.85
Step by Step Solution
- Step 1: Write the proportion equation
21,905,103.98 : 32,850,668.11 = 7,524,704.18 : x - Step 2: Convert to fraction form
21,905,103.98/32,850,668.11 = 7,524,704.18/x - Step 3: Cross multiply
21,905,103.98x = 32,850,668.11 × 7,524,704.18 - Step 4: Simplify right side
21,905,103.98x = 247,191,559,753,910.81 - Step 5: Solve for x
x = 247,191,559,753,910.81/21,905,103.98 - Step 6: Final answer
x = 11,284,655.85
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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.