Finding the Fourth Proportional to 15,583,302.36, 21,504,544.74 and 8,707,840.92
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Solution
The fourth proportional to 15,583,302.36, 21,504,544.74 and 8,707,840.92 is: 12,016,589.96
Step by Step Solution
- Step 1: Write the proportion equation
15,583,302.36 : 21,504,544.74 = 8,707,840.92 : x - Step 2: Convert to fraction form
15,583,302.36/21,504,544.74 = 8,707,840.92/x - Step 3: Cross multiply
15,583,302.36x = 21,504,544.74 × 8,707,840.92 - Step 4: Simplify right side
15,583,302.36x = 187,258,154,652,942.75 - Step 5: Solve for x
x = 187,258,154,652,942.75/15,583,302.36 - Step 6: Final answer
x = 12,016,589.96
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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.