Finding the Fourth Proportional to 22,176,503.20, 33,239,871.60 and 12,596,471.20
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Solution
The fourth proportional to 22,176,503.20, 33,239,871.60 and 12,596,471.20 is: 18,880,572.90
Step by Step Solution
- Step 1: Write the proportion equation
22,176,503.20 : 33,239,871.60 = 12,596,471.20 : x - Step 2: Convert to fraction form
22,176,503.20/33,239,871.60 = 12,596,471.20/x - Step 3: Cross multiply
22,176,503.20x = 33,239,871.60 × 12,596,471.20 - Step 4: Simplify right side
22,176,503.20x = 418,705,085,301,097.94 - Step 5: Solve for x
x = 418,705,085,301,097.94/22,176,503.20 - Step 6: Final answer
x = 18,880,572.90
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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.