Finding the Fourth Proportional to 11,356,223.40, 15,671,508.56 and 6,199,584.94
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Solution
The fourth proportional to 11,356,223.40, 15,671,508.56 and 6,199,584.94 is: 8,555,383.69
Step by Step Solution
- Step 1: Write the proportion equation
11,356,223.40 : 15,671,508.56 = 6,199,584.94 : x - Step 2: Convert to fraction form
11,356,223.40/15,671,508.56 = 6,199,584.94/x - Step 3: Cross multiply
11,356,223.40x = 15,671,508.56 × 6,199,584.94 - Step 4: Simplify right side
11,356,223.40x = 97,156,848,467,497 - Step 5: Solve for x
x = 97,156,848,467,497/11,356,223.40 - Step 6: Final answer
x = 8,555,383.69
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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.