Finding the Fourth Proportional to 7,388,430.40, 11,082,645.60 and 6,059,827.90
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Solution
The fourth proportional to 7,388,430.40, 11,082,645.60 and 6,059,827.90 is: 9,089,741.85
Step by Step Solution
- Step 1: Write the proportion equation
7,388,430.40 : 11,082,645.60 = 6,059,827.90 : x - Step 2: Convert to fraction form
7,388,430.40/11,082,645.60 = 6,059,827.90/x - Step 3: Cross multiply
7,388,430.40x = 11,082,645.60 × 6,059,827.90 - Step 4: Simplify right side
7,388,430.40x = 67,158,925,012,692.24 - Step 5: Solve for x
x = 67,158,925,012,692.24/7,388,430.40 - Step 6: Final answer
x = 9,089,741.85
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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.