Finding the Fourth Proportional to 28,934,167.68, 43,393,942.08 and 10,728,357.12
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Solution
The fourth proportional to 28,934,167.68, 43,393,942.08 and 10,728,357.12 is: 16,089,825.45
Step by Step Solution
- Step 1: Write the proportion equation
28,934,167.68 : 43,393,942.08 = 10,728,357.12 : x - Step 2: Convert to fraction form
28,934,167.68/43,393,942.08 = 10,728,357.12/x - Step 3: Cross multiply
28,934,167.68x = 43,393,942.08 × 10,728,357.12 - Step 4: Simplify right side
28,934,167.68x = 465,545,707,478,835.56 - Step 5: Solve for x
x = 465,545,707,478,835.56/28,934,167.68 - Step 6: Final answer
x = 16,089,825.45
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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.