Finding the Fourth Proportional to 15,583,303.36, 21,504,546.12 and 8,707,841.92
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Solution
The fourth proportional to 15,583,303.36, 21,504,546.12 and 8,707,841.92 is: 12,016,591.34
Step by Step Solution
- Step 1: Write the proportion equation
15,583,303.36 : 21,504,546.12 = 8,707,841.92 : x - Step 2: Convert to fraction form
15,583,303.36/21,504,546.12 = 8,707,841.92/x - Step 3: Cross multiply
15,583,303.36x = 21,504,546.12 × 8,707,841.92 - Step 4: Simplify right side
15,583,303.36x = 187,258,188,174,309.34 - Step 5: Solve for x
x = 187,258,188,174,309.34/15,583,303.36 - Step 6: Final answer
x = 12,016,591.34
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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.