Finding the Fourth Proportional to 7,748,207.79, 11,622,311.64 and 2,824,608.75
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Solution
The fourth proportional to 7,748,207.79, 11,622,311.64 and 2,824,608.75 is: 4,236,913.11
Step by Step Solution
- Step 1: Write the proportion equation
7,748,207.79 : 11,622,311.64 = 2,824,608.75 : x - Step 2: Convert to fraction form
7,748,207.79/11,622,311.64 = 2,824,608.75/x - Step 3: Cross multiply
7,748,207.79x = 11,622,311.64 × 2,824,608.75 - Step 4: Simplify right side
7,748,207.79x = 32,828,483,153,570.85 - Step 5: Solve for x
x = 32,828,483,153,570.85/7,748,207.79 - Step 6: Final answer
x = 4,236,913.11
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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.