Finding the Fourth Proportional to 8,083,412.24, 11,136,160.12 and 5,631,588.44
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Solution
The fourth proportional to 8,083,412.24, 11,136,160.12 and 5,631,588.44 is: 7,758,390.73
Step by Step Solution
- Step 1: Write the proportion equation
8,083,412.24 : 11,136,160.12 = 5,631,588.44 : x - Step 2: Convert to fraction form
8,083,412.24/11,136,160.12 = 5,631,588.44/x - Step 3: Cross multiply
8,083,412.24x = 11,136,160.12 × 5,631,588.44 - Step 4: Simplify right side
8,083,412.24x = 62,714,270,597,781.02 - Step 5: Solve for x
x = 62,714,270,597,781.02/8,083,412.24 - Step 6: Final answer
x = 7,758,390.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.