Finding the Fourth Proportional to 14,820,536.28, 20,451,899.99 and 8,205,418.97
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Solution
The fourth proportional to 14,820,536.28, 20,451,899.99 and 8,205,418.97 is: 11,323,234.53
Step by Step Solution
- Step 1: Write the proportion equation
14,820,536.28 : 20,451,899.99 = 8,205,418.97 : x - Step 2: Convert to fraction form
14,820,536.28/20,451,899.99 = 8,205,418.97/x - Step 3: Cross multiply
14,820,536.28x = 20,451,899.99 × 8,205,418.97 - Step 4: Simplify right side
14,820,536.28x = 167,816,408,145,437.47 - Step 5: Solve for x
x = 167,816,408,145,437.47/14,820,536.28 - Step 6: Final answer
x = 11,323,234.53
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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.