Finding the Fourth Proportional to 18,587,162.67, 27,869,918.36 and 7,214,325.27
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Solution
The fourth proportional to 18,587,162.67, 27,869,918.36 and 7,214,325.27 is: 10,817,286.09
Step by Step Solution
- Step 1: Write the proportion equation
18,587,162.67 : 27,869,918.36 = 7,214,325.27 : x - Step 2: Convert to fraction form
18,587,162.67/27,869,918.36 = 7,214,325.27/x - Step 3: Cross multiply
18,587,162.67x = 27,869,918.36 × 7,214,325.27 - Step 4: Simplify right side
18,587,162.67x = 201,062,656,261,313.31 - Step 5: Solve for x
x = 201,062,656,261,313.31/18,587,162.67 - Step 6: Final answer
x = 10,817,286.09
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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.