Finding the Fourth Proportional to 11,722,697.11, 16,177,556.28 and 6,828,234.58
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Solution
The fourth proportional to 11,722,697.11, 16,177,556.28 and 6,828,234.58 is: 9,423,100.18
Step by Step Solution
- Step 1: Write the proportion equation
11,722,697.11 : 16,177,556.28 = 6,828,234.58 : x - Step 2: Convert to fraction form
11,722,697.11/16,177,556.28 = 6,828,234.58/x - Step 3: Cross multiply
11,722,697.11x = 16,177,556.28 × 6,828,234.58 - Step 4: Simplify right side
11,722,697.11x = 110,464,149,210,992.16 - Step 5: Solve for x
x = 110,464,149,210,992.16/11,722,697.11 - Step 6: Final answer
x = 9,423,100.18
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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.