Finding the Fourth Proportional to 7,334,136.20, 11,001,204.30 and 6,703,761.80
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Solution
The fourth proportional to 7,334,136.20, 11,001,204.30 and 6,703,761.80 is: 10,055,642.70
Step by Step Solution
- Step 1: Write the proportion equation
7,334,136.20 : 11,001,204.30 = 6,703,761.80 : x - Step 2: Convert to fraction form
7,334,136.20/11,001,204.30 = 6,703,761.80/x - Step 3: Cross multiply
7,334,136.20x = 11,001,204.30 × 6,703,761.80 - Step 4: Simplify right side
7,334,136.20x = 73,749,453,140,335.75 - Step 5: Solve for x
x = 73,749,453,140,335.75/7,334,136.20 - Step 6: Final answer
x = 10,055,642.70
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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.