Finding the Fourth Proportional to 14,234,785.21, 21,347,761.29 and 5,135,699.62
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Solution
The fourth proportional to 14,234,785.21, 21,347,761.29 and 5,135,699.62 is: 7,701,956.01
Step by Step Solution
- Step 1: Write the proportion equation
14,234,785.21 : 21,347,761.29 = 5,135,699.62 : x - Step 2: Convert to fraction form
14,234,785.21/21,347,761.29 = 5,135,699.62/x - Step 3: Cross multiply
14,234,785.21x = 21,347,761.29 × 5,135,699.62 - Step 4: Simplify right side
14,234,785.21x = 109,635,689,544,903.70 - Step 5: Solve for x
x = 109,635,689,544,903.70/14,234,785.21 - Step 6: Final answer
x = 7,701,956.01
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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.