Finding the Fourth Proportional to 7,954,729.08, 11,927,210.39 and 3,091,357.00
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Solution
The fourth proportional to 7,954,729.08, 11,927,210.39 and 3,091,357.00 is: 4,635,137.78
Step by Step Solution
- Step 1: Write the proportion equation
7,954,729.08 : 11,927,210.39 = 3,091,357.00 : x - Step 2: Convert to fraction form
7,954,729.08/11,927,210.39 = 3,091,357.00/x - Step 3: Cross multiply
7,954,729.08x = 11,927,210.39 × 3,091,357.00 - Step 4: Simplify right side
7,954,729.08x = 36,871,265,273,553.48 - Step 5: Solve for x
x = 36,871,265,273,553.48/7,954,729.08 - Step 6: Final answer
x = 4,635,137.78
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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.