Finding the Fourth Proportional to 14,284,716.13, 19,709,841.40 and 8,485,453.09
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Solution
The fourth proportional to 14,284,716.13, 19,709,841.40 and 8,485,453.09 is: 11,708,103.48
Step by Step Solution
- Step 1: Write the proportion equation
14,284,716.13 : 19,709,841.40 = 8,485,453.09 : x - Step 2: Convert to fraction form
14,284,716.13/19,709,841.40 = 8,485,453.09/x - Step 3: Cross multiply
14,284,716.13x = 19,709,841.40 × 8,485,453.09 - Step 4: Simplify right side
14,284,716.13x = 167,246,934,611,039.91 - Step 5: Solve for x
x = 167,246,934,611,039.91/14,284,716.13 - Step 6: Final answer
x = 11,708,103.48
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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.