Finding the Fourth Proportional to 21,354,884.70, 32,029,216.65 and 6,207,236.70
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Solution
The fourth proportional to 21,354,884.70, 32,029,216.65 and 6,207,236.70 is: 9,309,950.95
Step by Step Solution
- Step 1: Write the proportion equation
21,354,884.70 : 32,029,216.65 = 6,207,236.70 : x - Step 2: Convert to fraction form
21,354,884.70/32,029,216.65 = 6,207,236.70/x - Step 3: Cross multiply
21,354,884.70x = 32,029,216.65 × 6,207,236.70 - Step 4: Simplify right side
21,354,884.70x = 198,812,929,062,131.06 - Step 5: Solve for x
x = 198,812,929,062,131.06/21,354,884.70 - Step 6: Final answer
x = 9,309,950.95
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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.