Finding the Fourth Proportional to 14,354,078.42, 19,808,659.55 and 8,159,163.08
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Solution
The fourth proportional to 14,354,078.42, 19,808,659.55 and 8,159,163.08 is: 11,259,662.85
Step by Step Solution
- Step 1: Write the proportion equation
14,354,078.42 : 19,808,659.55 = 8,159,163.08 : x - Step 2: Convert to fraction form
14,354,078.42/19,808,659.55 = 8,159,163.08/x - Step 3: Cross multiply
14,354,078.42x = 19,808,659.55 × 8,159,163.08 - Step 4: Simplify right side
14,354,078.42x = 161,622,083,586,004 - Step 5: Solve for x
x = 161,622,083,586,004/14,354,078.42 - Step 6: Final answer
x = 11,259,662.85
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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.