Finding the Fourth Proportional to 7,858,512.23, 11,787,771.53 and 3,535,513.98
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Solution
The fourth proportional to 7,858,512.23, 11,787,771.53 and 3,535,513.98 is: 5,303,272.40
Step by Step Solution
- Step 1: Write the proportion equation
7,858,512.23 : 11,787,771.53 = 3,535,513.98 : x - Step 2: Convert to fraction form
7,858,512.23/11,787,771.53 = 3,535,513.98/x - Step 3: Cross multiply
7,858,512.23x = 11,787,771.53 × 3,535,513.98 - Step 4: Simplify right side
7,858,512.23x = 41,675,831,037,360.98 - Step 5: Solve for x
x = 41,675,831,037,360.98/7,858,512.23 - Step 6: Final answer
x = 5,303,272.40
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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.