Finding the Fourth Proportional to 8,675,623.45, 11,972,361.50 and 4,808,394.28
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Solution
The fourth proportional to 8,675,623.45, 11,972,361.50 and 4,808,394.28 is: 6,635,584.74
Step by Step Solution
- Step 1: Write the proportion equation
8,675,623.45 : 11,972,361.50 = 4,808,394.28 : x - Step 2: Convert to fraction form
8,675,623.45/11,972,361.50 = 4,808,394.28/x - Step 3: Cross multiply
8,675,623.45x = 11,972,361.50 × 4,808,394.28 - Step 4: Simplify right side
8,675,623.45x = 57,567,834,554,692.23 - Step 5: Solve for x
x = 57,567,834,554,692.23/8,675,623.45 - Step 6: Final answer
x = 6,635,584.74
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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.