Finding the Fourth Proportional to 21,684,411.90, 32,536,550.76 and 9,392,134.99
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Solution
The fourth proportional to 21,684,411.90, 32,536,550.76 and 9,392,134.99 is: 14,092,504.71
Step by Step Solution
- Step 1: Write the proportion equation
21,684,411.90 : 32,536,550.76 = 9,392,134.99 : x - Step 2: Convert to fraction form
21,684,411.90/32,536,550.76 = 9,392,134.99/x - Step 3: Cross multiply
21,684,411.90x = 32,536,550.76 × 9,392,134.99 - Step 4: Simplify right side
21,684,411.90x = 305,587,676,846,907.12 - Step 5: Solve for x
x = 305,587,676,846,907.12/21,684,411.90 - Step 6: Final answer
x = 14,092,504.71
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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.