Finding the Fourth Proportional to 16,313,481.40, 22,513,182.50 and 8,971,882.34
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Solution
The fourth proportional to 16,313,481.40, 22,513,182.50 and 8,971,882.34 is: 12,381,515.60
Step by Step Solution
- Step 1: Write the proportion equation
16,313,481.40 : 22,513,182.50 = 8,971,882.34 : x - Step 2: Convert to fraction form
16,313,481.40/22,513,182.50 = 8,971,882.34/x - Step 3: Cross multiply
16,313,481.40x = 22,513,182.50 × 8,971,882.34 - Step 4: Simplify right side
16,313,481.40x = 201,985,624,488,947.03 - Step 5: Solve for x
x = 201,985,624,488,947.03/16,313,481.40 - Step 6: Final answer
x = 12,381,515.60
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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.