Finding the Fourth Proportional to 11,054,705.03, 15,256,628.12 and 6,645,857.99
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Solution
The fourth proportional to 11,054,705.03, 15,256,628.12 and 6,645,857.99 is: 9,171,966.47
Step by Step Solution
- Step 1: Write the proportion equation
11,054,705.03 : 15,256,628.12 = 6,645,857.99 : x - Step 2: Convert to fraction form
11,054,705.03/15,256,628.12 = 6,645,857.99/x - Step 3: Cross multiply
11,054,705.03x = 15,256,628.12 × 6,645,857.99 - Step 4: Simplify right side
11,054,705.03x = 101,393,383,782,248.25 - Step 5: Solve for x
x = 101,393,383,782,248.25/11,054,705.03 - Step 6: Final answer
x = 9,171,966.47
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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.