Finding the Fourth Proportional to 7,889,367.34, 11,833,132.47 and 2,131,827.40
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Solution
The fourth proportional to 7,889,367.34, 11,833,132.47 and 2,131,827.40 is: 3,197,492.90
Step by Step Solution
- Step 1: Write the proportion equation
7,889,367.34 : 11,833,132.47 = 2,131,827.40 : x - Step 2: Convert to fraction form
7,889,367.34/11,833,132.47 = 2,131,827.40/x - Step 3: Cross multiply
7,889,367.34x = 11,833,132.47 × 2,131,827.40 - Step 4: Simplify right side
7,889,367.34x = 25,226,196,027,375.68 - Step 5: Solve for x
x = 25,226,196,027,375.68/7,889,367.34 - Step 6: Final answer
x = 3,197,492.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.