Finding the Fourth Proportional to 16,032,492.68, 22,124,247.15 and 8,690,168.18
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Solution
The fourth proportional to 16,032,492.68, 22,124,247.15 and 8,690,168.18 is: 11,992,110.79
Step by Step Solution
- Step 1: Write the proportion equation
16,032,492.68 : 22,124,247.15 = 8,690,168.18 : x - Step 2: Convert to fraction form
16,032,492.68/22,124,247.15 = 8,690,168.18/x - Step 3: Cross multiply
16,032,492.68x = 22,124,247.15 × 8,690,168.18 - Step 4: Simplify right side
16,032,492.68x = 192,263,428,552,835.56 - Step 5: Solve for x
x = 192,263,428,552,835.56/16,032,492.68 - Step 6: Final answer
x = 11,992,110.79
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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.