Finding the Fourth Proportional to 22,295,895.76, 33,435,824.64 and 7,718,857.12
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Solution
The fourth proportional to 22,295,895.76, 33,435,824.64 and 7,718,857.12 is: 11,575,509.50
Step by Step Solution
- Step 1: Write the proportion equation
22,295,895.76 : 33,435,824.64 = 7,718,857.12 : x - Step 2: Convert to fraction form
22,295,895.76/33,435,824.64 = 7,718,857.12/x - Step 3: Cross multiply
22,295,895.76x = 33,435,824.64 × 7,718,857.12 - Step 4: Simplify right side
22,295,895.76x = 258,086,353,085,535.44 - Step 5: Solve for x
x = 258,086,353,085,535.44/22,295,895.76 - Step 6: Final answer
x = 11,575,509.50
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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.