Finding the Fourth Proportional to 13,631,496.68, 18,811,162.68 and 7,519,923.56
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Solution
The fourth proportional to 13,631,496.68, 18,811,162.68 and 7,519,923.56 is: 10,377,327.50
Step by Step Solution
- Step 1: Write the proportion equation
13,631,496.68 : 18,811,162.68 = 7,519,923.56 : x - Step 2: Convert to fraction form
13,631,496.68/18,811,162.68 = 7,519,923.56/x - Step 3: Cross multiply
13,631,496.68x = 18,811,162.68 × 7,519,923.56 - Step 4: Simplify right side
13,631,496.68x = 141,458,505,447,152.94 - Step 5: Solve for x
x = 141,458,505,447,152.94/13,631,496.68 - Step 6: Final answer
x = 10,377,327.50
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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.