Finding the Fourth Proportional to 11,202,692.60, 16,804,038.90 and 3,630,423.80
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Solution
The fourth proportional to 11,202,692.60, 16,804,038.90 and 3,630,423.80 is: 5,445,635.70
Step by Step Solution
- Step 1: Write the proportion equation
11,202,692.60 : 16,804,038.90 = 3,630,423.80 : x - Step 2: Convert to fraction form
11,202,692.60/16,804,038.90 = 3,630,423.80/x - Step 3: Cross multiply
11,202,692.60x = 16,804,038.90 × 3,630,423.80 - Step 4: Simplify right side
11,202,692.60x = 61,005,782,758,685.81 - Step 5: Solve for x
x = 61,005,782,758,685.81/11,202,692.60 - Step 6: Final answer
x = 5,445,635.70
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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.