Finding the Fourth Proportional to 11,463,698.88, 15,820,029.60 and 6,236,736.53
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Solution
The fourth proportional to 11,463,698.88, 15,820,029.60 and 6,236,736.53 is: 8,606,764.50
Step by Step Solution
- Step 1: Write the proportion equation
11,463,698.88 : 15,820,029.60 = 6,236,736.53 : x - Step 2: Convert to fraction form
11,463,698.88/15,820,029.60 = 6,236,736.53/x - Step 3: Cross multiply
11,463,698.88x = 15,820,029.60 × 6,236,736.53 - Step 4: Simplify right side
11,463,698.88x = 98,665,356,512,001.30 - Step 5: Solve for x
x = 98,665,356,512,001.30/11,463,698.88 - Step 6: Final answer
x = 8,606,764.50
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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.