Finding the Fourth Proportional to 11,722,589.16, 16,179,115.68 and 8,048,497.20
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Solution
The fourth proportional to 11,722,589.16, 16,179,115.68 and 8,048,497.20 is: 11,108,259.91
Step by Step Solution
- Step 1: Write the proportion equation
11,722,589.16 : 16,179,115.68 = 8,048,497.20 : x - Step 2: Convert to fraction form
11,722,589.16/16,179,115.68 = 8,048,497.20/x - Step 3: Cross multiply
11,722,589.16x = 16,179,115.68 × 8,048,497.20 - Step 4: Simplify right side
11,722,589.16x = 130,217,567,248,956.09 - Step 5: Solve for x
x = 130,217,567,248,956.09/11,722,589.16 - Step 6: Final answer
x = 11,108,259.91
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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.