Finding the Fourth Proportional to 22,176,363.70, 33,239,662.35 and 12,596,331.70
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Solution
The fourth proportional to 22,176,363.70, 33,239,662.35 and 12,596,331.70 is: 18,880,363.72
Step by Step Solution
- Step 1: Write the proportion equation
22,176,363.70 : 33,239,662.35 = 12,596,331.70 : x - Step 2: Convert to fraction form
22,176,363.70/33,239,662.35 = 12,596,331.70/x - Step 3: Cross multiply
22,176,363.70x = 33,239,662.35 × 12,596,331.70 - Step 4: Simplify right side
22,176,363.70x = 418,697,812,556,601.50 - Step 5: Solve for x
x = 418,697,812,556,601.50/22,176,363.70 - Step 6: Final answer
x = 18,880,363.72
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1.5x scale
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.