Finding the Fourth Proportional to 8,497,321.68, 12,751,869.12 and 3,379,227.12
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Solution
The fourth proportional to 8,497,321.68, 12,751,869.12 and 3,379,227.12 is: 5,071,181.67
Step by Step Solution
- Step 1: Write the proportion equation
8,497,321.68 : 12,751,869.12 = 3,379,227.12 : x - Step 2: Convert to fraction form
8,497,321.68/12,751,869.12 = 3,379,227.12/x - Step 3: Cross multiply
8,497,321.68x = 12,751,869.12 × 3,379,227.12 - Step 4: Simplify right side
8,497,321.68x = 43,091,461,960,994.53 - Step 5: Solve for x
x = 43,091,461,960,994.53/8,497,321.68 - Step 6: Final answer
x = 5,071,181.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.