Finding the Fourth Proportional to 14,077,997.09, 19,427,635.98 and 7,639,469.09
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Solution
The fourth proportional to 14,077,997.09, 19,427,635.98 and 7,639,469.09 is: 10,542,467.34
Step by Step Solution
- Step 1: Write the proportion equation
14,077,997.09 : 19,427,635.98 = 7,639,469.09 : x - Step 2: Convert to fraction form
14,077,997.09/19,427,635.98 = 7,639,469.09/x - Step 3: Cross multiply
14,077,997.09x = 19,427,635.98 × 7,639,469.09 - Step 4: Simplify right side
14,077,997.09x = 148,416,824,463,843.69 - Step 5: Solve for x
x = 148,416,824,463,843.69/14,077,997.09 - Step 6: Final answer
x = 10,542,467.34
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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.