Finding the Fourth Proportional to 21,601,815.29, 32,402,755.81 and 8,822,319.99
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Solution
The fourth proportional to 21,601,815.29, 32,402,755.81 and 8,822,319.99 is: 13,233,493.41
Step by Step Solution
- Step 1: Write the proportion equation
21,601,815.29 : 32,402,755.81 = 8,822,319.99 : x - Step 2: Convert to fraction form
21,601,815.29/32,402,755.81 = 8,822,319.99/x - Step 3: Cross multiply
21,601,815.29x = 32,402,755.81 × 8,822,319.99 - Step 4: Simplify right side
21,601,815.29x = 285,867,480,368,892.88 - Step 5: Solve for x
x = 285,867,480,368,892.88/21,601,815.29 - Step 6: Final answer
x = 13,233,493.41
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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.