Finding the Fourth Proportional to 14,582,203.43, 21,868,239.80 and 8,115,147.77
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Solution
The fourth proportional to 14,582,203.43, 21,868,239.80 and 8,115,147.77 is: 12,169,902.74
Step by Step Solution
- Step 1: Write the proportion equation
14,582,203.43 : 21,868,239.80 = 8,115,147.77 : x - Step 2: Convert to fraction form
14,582,203.43/21,868,239.80 = 8,115,147.77/x - Step 3: Cross multiply
14,582,203.43x = 21,868,239.80 × 8,115,147.77 - Step 4: Simplify right side
14,582,203.43x = 177,463,997,357,741.91 - Step 5: Solve for x
x = 177,463,997,357,741.91/14,582,203.43 - Step 6: Final answer
x = 12,169,902.74
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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.