Finding the Fourth Proportional to 8,422,265.36, 11,622,692.76 and 4,554,790.76
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Solution
The fourth proportional to 8,422,265.36, 11,622,692.76 and 4,554,790.76 is: 6,285,593.17
Step by Step Solution
- Step 1: Write the proportion equation
8,422,265.36 : 11,622,692.76 = 4,554,790.76 : x - Step 2: Convert to fraction form
8,422,265.36/11,622,692.76 = 4,554,790.76/x - Step 3: Cross multiply
8,422,265.36x = 11,622,692.76 × 4,554,790.76 - Step 4: Simplify right side
8,422,265.36x = 52,938,933,589,566.89 - Step 5: Solve for x
x = 52,938,933,589,566.89/8,422,265.36 - Step 6: Final answer
x = 6,285,593.17
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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.