Finding the Fourth Proportional to 7,259,735.36, 10,889,903.53 and 2,142,165.23
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Solution
The fourth proportional to 7,259,735.36, 10,889,903.53 and 2,142,165.23 is: 3,213,336.52
Step by Step Solution
- Step 1: Write the proportion equation
7,259,735.36 : 10,889,903.53 = 2,142,165.23 : x - Step 2: Convert to fraction form
7,259,735.36/10,889,903.53 = 2,142,165.23/x - Step 3: Cross multiply
7,259,735.36x = 10,889,903.53 × 2,142,165.23 - Step 4: Simplify right side
7,259,735.36x = 23,327,972,744,315.39 - Step 5: Solve for x
x = 23,327,972,744,315.39/7,259,735.36 - Step 6: Final answer
x = 3,213,336.52
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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.