Finding the Fourth Proportional to 8,219,072.97, 12,328,692.68 and 3,670,353.54
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Solution
The fourth proportional to 8,219,072.97, 12,328,692.68 and 3,670,353.54 is: 5,505,567.48
Step by Step Solution
- Step 1: Write the proportion equation
8,219,072.97 : 12,328,692.68 = 3,670,353.54 : x - Step 2: Convert to fraction form
8,219,072.97/12,328,692.68 = 3,670,353.54/x - Step 3: Cross multiply
8,219,072.97x = 12,328,692.68 × 3,670,353.54 - Step 4: Simplify right side
8,219,072.97x = 45,250,660,830,785.97 - Step 5: Solve for x
x = 45,250,660,830,785.97/8,219,072.97 - Step 6: Final answer
x = 5,505,567.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.