Finding the Fourth Proportional to 7,017,581.75, 10,530,571.66 and 6,446,512.31
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Solution
The fourth proportional to 7,017,581.75, 10,530,571.66 and 6,446,512.31 is: 9,673,625.79
Step by Step Solution
- Step 1: Write the proportion equation
7,017,581.75 : 10,530,571.66 = 6,446,512.31 : x - Step 2: Convert to fraction form
7,017,581.75/10,530,571.66 = 6,446,512.31/x - Step 3: Cross multiply
7,017,581.75x = 10,530,571.66 × 6,446,512.31 - Step 4: Simplify right side
7,017,581.75x = 67,885,459,768,758 - Step 5: Solve for x
x = 67,885,459,768,758/7,017,581.75 - Step 6: Final answer
x = 9,673,625.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.