Finding the Fourth Proportional to 7,376,136.70, 11,064,205.05 and 7,057,272.10
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Solution
The fourth proportional to 7,376,136.70, 11,064,205.05 and 7,057,272.10 is: 10,585,908.15
Step by Step Solution
- Step 1: Write the proportion equation
7,376,136.70 : 11,064,205.05 = 7,057,272.10 : x - Step 2: Convert to fraction form
7,376,136.70/11,064,205.05 = 7,057,272.10/x - Step 3: Cross multiply
7,376,136.70x = 11,064,205.05 × 7,057,272.10 - Step 4: Simplify right side
7,376,136.70x = 78,083,105,608,044.11 - Step 5: Solve for x
x = 78,083,105,608,044.11/7,376,136.70 - Step 6: Final answer
x = 10,585,908.15
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1.5x scale
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.