Finding the Fourth Proportional to 11,229,794.76, 15,497,163.18 and 6,073,156.20
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Solution
The fourth proportional to 11,229,794.76, 15,497,163.18 and 6,073,156.20 is: 8,380,980.66
Step by Step Solution
- Step 1: Write the proportion equation
11,229,794.76 : 15,497,163.18 = 6,073,156.20 : x - Step 2: Convert to fraction form
11,229,794.76/15,497,163.18 = 6,073,156.20/x - Step 3: Cross multiply
11,229,794.76x = 15,497,163.18 × 6,073,156.20 - Step 4: Simplify right side
11,229,794.76x = 94,116,692,649,028.72 - Step 5: Solve for x
x = 94,116,692,649,028.72/11,229,794.76 - Step 6: Final answer
x = 8,380,980.66
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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.