Finding the Fourth Proportional to 18,973,349.60, 26,227,350.24 and 16,928,630.96
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Solution
The fourth proportional to 18,973,349.60, 26,227,350.24 and 16,928,630.96 is: 23,400,882.96
Step by Step Solution
- Step 1: Write the proportion equation
18,973,349.60 : 26,227,350.24 = 16,928,630.96 : x - Step 2: Convert to fraction form
18,973,349.60/26,227,350.24 = 16,928,630.96/x - Step 3: Cross multiply
18,973,349.60x = 26,227,350.24 × 16,928,630.96 - Step 4: Simplify right side
18,973,349.60x = 443,993,133,271,627.44 - Step 5: Solve for x
x = 443,993,133,271,627.44/18,973,349.60 - Step 6: Final answer
x = 23,400,882.96
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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.