Finding the Fourth Proportional to 23,186,639.84, 34,781,078.20 and 7,624,123.84
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Solution
The fourth proportional to 23,186,639.84, 34,781,078.20 and 7,624,123.84 is: 11,436,553.52
Step by Step Solution
- Step 1: Write the proportion equation
23,186,639.84 : 34,781,078.20 = 7,624,123.84 : x - Step 2: Convert to fraction form
23,186,639.84/34,781,078.20 = 7,624,123.84/x - Step 3: Cross multiply
23,186,639.84x = 34,781,078.20 × 7,624,123.84 - Step 4: Simplify right side
23,186,639.84x = 265,175,247,485,524.31 - Step 5: Solve for x
x = 265,175,247,485,524.31/23,186,639.84 - Step 6: Final answer
x = 11,436,553.52
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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.