Finding the Fourth Proportional to 16,355,143.20, 24,532,714.80 and 9,977,851.20
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Solution
The fourth proportional to 16,355,143.20, 24,532,714.80 and 9,977,851.20 is: 14,966,776.80
Step by Step Solution
- Step 1: Write the proportion equation
16,355,143.20 : 24,532,714.80 = 9,977,851.20 : x - Step 2: Convert to fraction form
16,355,143.20/24,532,714.80 = 9,977,851.20/x - Step 3: Cross multiply
16,355,143.20x = 24,532,714.80 × 9,977,851.20 - Step 4: Simplify right side
16,355,143.20x = 244,783,777,806,437.75 - Step 5: Solve for x
x = 244,783,777,806,437.75/16,355,143.20 - Step 6: Final answer
x = 14,966,776.80
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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.