Finding the Fourth Proportional to 14,286,453.05, 19,716,940.74 and 8,008,675.94
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Solution
The fourth proportional to 14,286,453.05, 19,716,940.74 and 8,008,675.94 is: 11,052,889.63
Step by Step Solution
- Step 1: Write the proportion equation
14,286,453.05 : 19,716,940.74 = 8,008,675.94 : x - Step 2: Convert to fraction form
14,286,453.05/19,716,940.74 = 8,008,675.94/x - Step 3: Cross multiply
14,286,453.05x = 19,716,940.74 × 8,008,675.94 - Step 4: Simplify right side
14,286,453.05x = 157,906,588,776,215.69 - Step 5: Solve for x
x = 157,906,588,776,215.69/14,286,453.05 - Step 6: Final answer
x = 11,052,889.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.