Finding the Fourth Proportional to 14,098,629.42, 19,457,070.75 and 7,987,108.14
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Solution
The fourth proportional to 14,098,629.42, 19,457,070.75 and 7,987,108.14 is: 11,022,754.31
Step by Step Solution
- Step 1: Write the proportion equation
14,098,629.42 : 19,457,070.75 = 7,987,108.14 : x - Step 2: Convert to fraction form
14,098,629.42/19,457,070.75 = 7,987,108.14/x - Step 3: Cross multiply
14,098,629.42x = 19,457,070.75 × 7,987,108.14 - Step 4: Simplify right side
14,098,629.42x = 155,405,728,167,880.91 - Step 5: Solve for x
x = 155,405,728,167,880.91/14,098,629.42 - Step 6: Final answer
x = 11,022,754.31
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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.