Finding the Fourth Proportional to 19,193,622.56, 28,790,433.92 and 6,414,127.26
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Solution
The fourth proportional to 19,193,622.56, 28,790,433.92 and 6,414,127.26 is: 9,621,190.92
Step by Step Solution
- Step 1: Write the proportion equation
19,193,622.56 : 28,790,433.92 = 6,414,127.26 : x - Step 2: Convert to fraction form
19,193,622.56/28,790,433.92 = 6,414,127.26/x - Step 3: Cross multiply
19,193,622.56x = 28,790,433.92 × 6,414,127.26 - Step 4: Simplify right side
19,193,622.56x = 184,665,507,001,430 - Step 5: Solve for x
x = 184,665,507,001,430/19,193,622.56 - Step 6: Final answer
x = 9,621,190.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.