Finding the Fourth Proportional to 22,772,874.12, 31,393,880.02 and 16,235,153.39
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Solution
The fourth proportional to 22,772,874.12, 31,393,880.02 and 16,235,153.39 is: 22,381,209.11
Step by Step Solution
- Step 1: Write the proportion equation
22,772,874.12 : 31,393,880.02 = 16,235,153.39 : x - Step 2: Convert to fraction form
22,772,874.12/31,393,880.02 = 16,235,153.39/x - Step 3: Cross multiply
22,772,874.12x = 31,393,880.02 × 16,235,153.39 - Step 4: Simplify right side
22,772,874.12x = 509,684,457,631,956.25 - Step 5: Solve for x
x = 509,684,457,631,956.25/22,772,874.12 - Step 6: Final answer
x = 22,381,209.11
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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.