Finding the Fourth Proportional to 11,199,563.20, 15,455,422.77 and 6,237,964.84
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Solution
The fourth proportional to 11,199,563.20, 15,455,422.77 and 6,237,964.84 is: 8,608,405.71
Step by Step Solution
- Step 1: Write the proportion equation
11,199,563.20 : 15,455,422.77 = 6,237,964.84 : x - Step 2: Convert to fraction form
11,199,563.20/15,455,422.77 = 6,237,964.84/x - Step 3: Cross multiply
11,199,563.20x = 15,455,422.77 × 6,237,964.84 - Step 4: Simplify right side
11,199,563.20x = 96,410,383,826,595.41 - Step 5: Solve for x
x = 96,410,383,826,595.41/11,199,563.20 - Step 6: Final answer
x = 8,608,405.71
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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.