Finding the Fourth Proportional to 16,236,907.11, 22,406,865.87 and 8,894,729.85
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Solution
The fourth proportional to 16,236,907.11, 22,406,865.87 and 8,894,729.85 is: 12,274,691.07
Step by Step Solution
- Step 1: Write the proportion equation
16,236,907.11 : 22,406,865.87 = 8,894,729.85 : x - Step 2: Convert to fraction form
16,236,907.11/22,406,865.87 = 8,894,729.85/x - Step 3: Cross multiply
16,236,907.11x = 22,406,865.87 × 8,894,729.85 - Step 4: Simplify right side
16,236,907.11x = 199,303,018,648,164.72 - Step 5: Solve for x
x = 199,303,018,648,164.72/16,236,907.11 - Step 6: Final answer
x = 12,274,691.07
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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.