Finding the Fourth Proportional to 16,239,509.08, 22,410,521.92 and 8,897,620.80
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Solution
The fourth proportional to 16,239,509.08, 22,410,521.92 and 8,897,620.80 is: 12,278,716.37
Step by Step Solution
- Step 1: Write the proportion equation
16,239,509.08 : 22,410,521.92 = 8,897,620.80 : x - Step 2: Convert to fraction form
16,239,509.08/22,410,521.92 = 8,897,620.80/x - Step 3: Cross multiply
16,239,509.08x = 22,410,521.92 × 8,897,620.80 - Step 4: Simplify right side
16,239,509.08x = 199,400,325,974,247.97 - Step 5: Solve for x
x = 199,400,325,974,247.97/16,239,509.08 - Step 6: Final answer
x = 12,278,716.37
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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.