Finding the Fourth Proportional to 8,136,522.08, 12,199,911.56 and 2,745,053.12
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Solution
The fourth proportional to 8,136,522.08, 12,199,911.56 and 2,745,053.12 is: 4,115,936.14
Step by Step Solution
- Step 1: Write the proportion equation
8,136,522.08 : 12,199,911.56 = 2,745,053.12 : x - Step 2: Convert to fraction form
8,136,522.08/12,199,911.56 = 2,745,053.12/x - Step 3: Cross multiply
8,136,522.08x = 12,199,911.56 × 2,745,053.12 - Step 4: Simplify right side
8,136,522.08x = 33,489,405,291,502.07 - Step 5: Solve for x
x = 33,489,405,291,502.07/8,136,522.08 - Step 6: Final answer
x = 4,115,936.14
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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.