Finding the Fourth Proportional to 13,631,497.25, 18,811,163.45 and 7,519,924.13
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Solution
The fourth proportional to 13,631,497.25, 18,811,163.45 and 7,519,924.13 is: 10,377,328.28
Step by Step Solution
- Step 1: Write the proportion equation
13,631,497.25 : 18,811,163.45 = 7,519,924.13 : x - Step 2: Convert to fraction form
13,631,497.25/18,811,163.45 = 7,519,924.13/x - Step 3: Cross multiply
13,631,497.25x = 18,811,163.45 × 7,519,924.13 - Step 4: Simplify right side
13,631,497.25x = 141,458,521,865,773.03 - Step 5: Solve for x
x = 141,458,521,865,773.03/13,631,497.25 - Step 6: Final answer
x = 10,377,328.28
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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.