Finding the Fourth Proportional to 21,526,684.12, 29,682,689.88 and 17,594,236.99
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Solution
The fourth proportional to 21,526,684.12, 29,682,689.88 and 17,594,236.99 is: 24,260,321.62
Step by Step Solution
- Step 1: Write the proportion equation
21,526,684.12 : 29,682,689.88 = 17,594,236.99 : x - Step 2: Convert to fraction form
21,526,684.12/29,682,689.88 = 17,594,236.99/x - Step 3: Cross multiply
21,526,684.12x = 29,682,689.88 × 17,594,236.99 - Step 4: Simplify right side
21,526,684.12x = 522,244,280,249,394.62 - Step 5: Solve for x
x = 522,244,280,249,394.62/21,526,684.12 - Step 6: Final answer
x = 24,260,321.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.