Finding the Fourth Proportional to 11,278,225.44, 15,563,966.85 and 6,121,588.05
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Solution
The fourth proportional to 11,278,225.44, 15,563,966.85 and 6,121,588.05 is: 8,447,800.05
Step by Step Solution
- Step 1: Write the proportion equation
11,278,225.44 : 15,563,966.85 = 6,121,588.05 : x - Step 2: Convert to fraction form
11,278,225.44/15,563,966.85 = 6,121,588.05/x - Step 3: Cross multiply
11,278,225.44x = 15,563,966.85 × 6,121,588.05 - Step 4: Simplify right side
11,278,225.44x = 95,276,193,479,556.14 - Step 5: Solve for x
x = 95,276,193,479,556.14/11,278,225.44 - Step 6: Final answer
x = 8,447,800.05
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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.