Finding the Fourth Proportional to 13,872,163.68, 19,143,153.36 and 7,676,837.52
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Solution
The fourth proportional to 13,872,163.68, 19,143,153.36 and 7,676,837.52 is: 10,593,796.42
Step by Step Solution
- Step 1: Write the proportion equation
13,872,163.68 : 19,143,153.36 = 7,676,837.52 : x - Step 2: Convert to fraction form
13,872,163.68/19,143,153.36 = 7,676,837.52/x - Step 3: Cross multiply
13,872,163.68x = 19,143,153.36 × 7,676,837.52 - Step 4: Simplify right side
13,872,163.68x = 146,958,877,965,162.06 - Step 5: Solve for x
x = 146,958,877,965,162.06/13,872,163.68 - Step 6: Final answer
x = 10,593,796.42
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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.