Finding the Fourth Proportional to 15,431,291.38, 23,147,014.42 and 3,916,762.08
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Solution
The fourth proportional to 15,431,291.38, 23,147,014.42 and 3,916,762.08 is: 5,875,162.75
Step by Step Solution
- Step 1: Write the proportion equation
15,431,291.38 : 23,147,014.42 = 3,916,762.08 : x - Step 2: Convert to fraction form
15,431,291.38/23,147,014.42 = 3,916,762.08/x - Step 3: Cross multiply
15,431,291.38x = 23,147,014.42 × 3,916,762.08 - Step 4: Simplify right side
15,431,291.38x = 90,661,348,345,469.20 - Step 5: Solve for x
x = 90,661,348,345,469.20/15,431,291.38 - Step 6: Final answer
x = 5,875,162.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.